学校:___________姓名：___________班级：___________考号：___________
一、阅读选择
Join Trackers Earth for award-winning Spring Break Camps. Parents know us as one of the most engaging camps in Portland. Here are the newest Spring Break Camps for your lovely kids.
Wilderness Survival Camps-Spring Break Train in the skills of wilderness survival. Kids work together in a Rangers Team, embarking on outdoor adventures and building lasting friendships. Grade 1-5 ●Take up a bow. ●Learn forest skills. ●Carve your own tools and learn the uses of wild plants. ●Make a fire with many methods. ●Make your camp and home in the wilderness. ●Make safe human traps for fun stealth（秘密行动）situations. ●Tuition: $90 Day Camp Schedule 7:30 AM—8:30 AM Free and flexible morning check-in 8:30 AM—3:00 PM Buses depart at 8:30 AM to travel to outdoor adventure 3:00 PM—3:30 PM Free and flexible afternoon check-out 3:30 PM—6:00 PM Pre-registered extended camp Our flexible early check-in and later check-out times offer options for working parents. You can add affordable Extended Camp until 6 pm. Spring Break Extended Camp Extended Camp is offered through our commitment to support working families. Our extended camp is time well spent with nature themed games and activities. Pre-registration is required. Grade 6-10 ■Learn skills of hiding for invisibility and the ancient skill of shooting arrows. ■Make shelters from natural materials. ■Use your knife for woodworking and making other advanced camp craft. ■Navigate and stay \"found\" in the wilderness. ■Train in human tracking and how to care for the survival of others. ■Tuition: $84 试卷第1页，总10页
Extended Camp 3:30 pm—6 pm $20 per afternoon with pre-registration of a single day $30 per afternoon unregistered Late Pickups
Up to 30 minutes after the end of camp is considered a late pickup. For the first 10 minutes we charge a fee of $5 and for any additional minute we charge $1 per minute. After 30 minutes we consider it extended camp and charge for the full unregistered day rate of $30. Late pickups after 6 pm will be charged $1 per minute.
If you want to get more information, please click the right access to the page. 1．What skill will kids learn in Grade 1-5? A．Starting a fire in the wild. C．Setting a trap for wild animals. 2．Who is Extended Camp designed for? A．Nature lovers. C．Came players
B．Working parents D．Family members B．Building survival shelters. D．Tracking humans in the wilderness
3．If you are a 9th grader and check out at 3 :50 pm, how much will you pay for this camp totally? A．$120. C．$105.
One of Britain' s most outstanding scientists says the growth in the use of electronic tablets and smart phones is causing people to spend so much time indoors that they need to take regular vitamin D supplements to make up for the lack of sunlight they receive naturally.
Geneticist Steve Jones said he himself was a follower to the cause and urged others to follow. “I never thought I would be a person who would take vitamin supplements；I always thought it was absolute nonsense. But now I take vitamin D every day. Today, because I knew the sun wasn't going to shine, I took an extra one,” he said.
Exposure to the sun is the major source of vitamin D．However, people are spending less and less time outdoors in many areas. The problem is particularly serious in Scotland. \"The Scots are the whitest people in the world because their entire body systems are crying out for vitamin D,\" he said, adding that life expectancy in Scotland is two years shorter than in England or Wales. Multiple sclerosis (多发性硬化症), a medical condition which is often
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B．$114. D．$99
seen in northern Europe, is also higher in Scotland than in England.
Vitamin D helps with the absorption of Ca, which helps keep bones strong. And Jones said the fact that rickets (佝偻病) was making a comeback in Britain after nearly 50 years was another sign of how changing behavior patterns were bringing physical harm.
Jones admitted that concerns over the damaging effects on skin of long-time exposure to the sun were reasonable, but said sunlight was healthy and necessary for the human body, and could help in lowering blood pressure. \"If you lie on the beach for an hour, you will drop your blood pressure by about 10 points, because it relaxes your blood vessels (血管). So, get out in the sun while we still can,\" he said.
4．How are people affected by the rise of technology according to the text? A．They are more sensitive to sunlight B．They take more vitamin D supplements. C．They get less vitamin D than before. D．They become addicted to electronic games.
5．What’s Jones’ attitude towards taking vitamin D supplements now? A．Skeptical. C．Worried.
B．Cautious. D．Supportive.
6．Why are the Scots the whitest people in the world? A．Because they are in great need of sunlight. B．Because their blood pressure is very low. C．Because they enjoy a short period of sunshine. D．Because they are easy to get multiple sclerosis. 7．Which of the following can be the best title for the text? A．Get out and gain more Vitamin D B．Keep away from tablets and phones C．Pay attention to the importance of sunlight D．Take vitamin D supplements to keep healthy
If you wear contact lenses (隐形眼镜), you might not know the best way to deal with old ones. Washing them down the sink or flushing them down the toilet is not the way to go. Yet one in five people who wear contact lenses do just that. However, the plastic in their lenses can linger (存留), polluting both water and land.
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Rolf Halden, an engineer at Arizona State University in Tempe, and his team created an online survey. More than 400 contact lens wearers took part. The questions asked how many got rid of their lenses inappropriately. About 20 percent — one in five — sent their used contact lenses down sink drain or toilet. Assuming all contact lens wearers in the U. S. do that at the same rate, the researchers then calculated how much plastic would be flushed away each year. Their estimate: 6 to 10 metric tons! That's about the weight of two to three adult African forest elephants. Contact lenses are a tiny part of the world's plastic pollution. But the unique plastic used in contact lenses could make them a big concern.
To figure it out, researchers exposed contact lenses to the microbes (微生物) used to clean wastewater in water-treatment plants. These microbes made the plastics begin to fall apart, but they weren't fully broken down. Instead, they created a lot of tiny pieces called microplastics.
Halden worries that these small plastic bits will cause trouble in the food chain. In water, the plastics from contact lenses sink. Animals could view these tiny bits as food. But because the plastic won't provide them with nutrition, this could threaten the health of animals who dined on it.
And that's already happening. Many studies have shown that corals, larval fish and shellfish are mistaking microplastics for food. Over time, they risk accumulating even higher levels of plastic in their bodies. Also the pollution has already shown up in bottled water, sea salt and fish sold for human consumption. 8．Rolf Halden's survey shows that ________. A．contact lenses have won popularity with Americans B．contact lenses have caused a huge part of plastic pollution C．some contact lens wearers throw away their old lenses improperly D．many contact lens wearers don't wear their lenses in the proper way 9．What did the researchers find about lenses in water-treatment plants? A．They could be broken down completely. B．They could be processed properly there. C．They couldn't be affected by microbes. D．Some of them became microplastics.
10．What does the underlined sentence “And that's already happening” in the last paragraph mean?
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A．Tiny pieces are entering oceans. B．Sea creatures are eating microplastics. C．Animals are causing plastic pollution. D．Contact lenses are damaging the environment
11．Which one of the following is most probably to be discusssed next? A．People's eyesight is getting worse and worse. B．Contact lenses must be banned immediately. C．Animals in the sea are lacking in nutrition.
D．The impacts microplastic pollution has on human health.
Thankfully, I found the courage to persevere in the face of adversity and succeeded. Otherwise. I could be a victim and feel sorry for myself for the rest of my life.
A doctor told me at a young age that I would likely never graduate from high school due to my severe hearing loss and my extremely slow speech development. I found the courage to work hard in school and be active in sports and other activities despite wearing hearing aids and living with a 70% hearing loss. By the time I was college-age, I started losing my night vision. I decided to go away to college 300 miles from home. I obtained my bachelor' s degree and graduated with honors. Even though I had terrible hearing loss and was beginning to lose my sight at night, I found the courage to begin a professional career.
After earning my MBA degree, I accepted a position with Kellogg in the Corporate Affairs Department. When I was working on my MBA degree, I found the courage to ask someone successful despite facing similar challenges to mentorme. He encouraged me （指导）to consider Kellogg as he knew the company was committed to diversity and inclusion（包容）. I nervously started my new career, because my vision loss had progressed significantly in the past few years. I am thankful to have a mentor that encouraged me and I am thankful I found the courage to apply for a position with Kellogg.
While Kellogg fosters a supportive, encouraging environment, it still takes courage for me to require what I need to make sure I am successful in my career. I need courage to speak up and ask for suitable accommodations to do my job. I also have to ask for assistance navigating through unfamiliar areas. I have found that everyone at Kellogg is always more than willing to take my requests into account.
Even though I face daily challenges, I have so much to be grateful for. We often face
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difficulties we cannot control, but we can be courageous in order to face adversity and address challenges.
12．What does the underlined word \"adversity\" in paragraph 1 probably mean? A．Advertisement. C．Difficulty.
B．Reality. D．Reward.
13．When the author was in high school, she ________. A．was very talkative in class B．was engaged in sports actively C．suffered a severe medical error D．dropped out once for her hearing loss
14．What motivated the author to apply for a job in Kellogg? A．A mentor's encouragement. B．Her aggressive personality. C．Her interest in a challenging job. D．The company's support for the disabled. 15．We can infer from paragraph 4 that ________. A．she picked up many skills in this job B．she has met with a lot of misunderstandings C．she has to gain lots of support for her career D．she achieved great success during her career
二、七选五
As is known to all, sleep is very important to humans. But it’s important to animals, too. At night you hardly hear a bird.16．Have you ever wondered how birds sleep? 17．Birds often sleep with one eye open. Only half their brain rests at once and the other half of the brain is able to sense danger if needed. While the exact way birds control their sleep patterns has not been well studied, it has been shown that the more protected a bird feels when sleeping, the more likely it is to sleep deeper.
Sleeping together in large numbers is another way many birds use. By sleeping together, there are more birds to notice predators(捕食者).18．In winter, many birds roost together in limited spaces to share body heat and survive lower night-time temperatures.
When birds sleep, they protect vulnerable(易受伤害的) body parts by burying
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themselves in their feathers.19．By tucking(收拢) feet or the bill into the feathers, less body heat is lost. When a bird’s bill is buried deeply in its feathers, it is also able to breathe air warmed by its own body heat.
There is little data available about how long birds sleep once. 20．Some birds are not able to involve in other activities without enough light, and sleeping is the next natural item on their to-do lists.
A．A bird’s feathers help it keep warm. B．Birds are rarely seen sleeping.
C．That’s because they’re sleeping at night, too. D．It gives each bird a greater chance of survival. E.A bird may be sleepy in the daytime for lack of sleep. F.So the length of birds sleep per night is still unknown. G.Unlike humans, birds can more carefully control their sleep.
三、完形填空
On a sunny day, a yellow school bus heads to Elver Park in Madison, Wisc. The seventh graders inside are excited to 21 the rockets they've built in class.
At the park, the students find their assigned flag posts, armed with their rocket, notebook, pencil and angle finder（量角器）. Two at a time, they march to the platform and 22 their rocket for take-off. They wait for their teacher's 23 to start the countdown: 5, 4, 3, 2, 1…Go!
With the angle finder and a little math, they estimate each rocket's maximum 24 . They calculate how their rocket 25 against 90 others made by their classmates and teacher.
\"With the rocket unit, I teach the 26 principles of physics and motion（移动）,\"
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explains David Ropa. He teaches science at Spring Harbor Middle School and advocates learning by 27 . That includes taking math and science into the park.
\"Kids, like all humans, are doing science all the time,\" says Ropa. \"They 28 the world through play,\" he 29 , \"whether it's stacking toys or building bike ramps.\" They have a hypothesis. They set up a test. They 30 the results. Then they adjust their （假说）31 .
\"The 32 his students use at school,\" says Ropa, \"are similar to those that many adults use at work.\" Some of these adults 33 a white lab coat and carry a business card with the word scientist\". Most don't.
In Madison' s Elver Park, the students make their 34 fly as high as they can. That teaches them the physics of 35 . \"It also develops a sense of creating 36 and hopefulness,\" says Ropa.
Some kids will never 37 that rocket launch. For others, the \"calculation\" may hook them on 38 .
\"Kids are 39 ,\" says Ropa. \"Just watch them when the sea 40 a dead fish. That's what scientists really are-very curious people who keep that curiosity going in their jobs.\" 21．A．mark 22．A．prepare 23．A．information 24．A．length 25．A．succeeds 26．A．difficult 27．A．memorizing 28．A．escape 29．A．adds 30．A．change 31．A．purpose 32．A．tools 33．A．show 34．A．kites 35．A．life
B．launch B．serve B．warming B．size B．lends B．basic B．diking B．travel B．argues B．analyze B．condition B．books B．hold B．rockets B．air
C．check C．consider C．signal C．weight C．crashes C．complex C．doing C．conquer C．debates C．absorb C．strategy C．tables C．provide C．models C．flight
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D．observe D．raise D．lesson D．height D．slows D．abstract D．calculating D．explore D．admits D．dream D．conclusion D．descriptions D．wear D．birds D．sport
36．A．wonder 37．A．record
B．satisfaction B．start
C．achievement C．miss C．pleasure C．curious C．sets aside
D．direction D．forget D．interest D．generous D．washes up
38．A．entertainment B．science 39．A．active 40．A．moves off
B．simple B．sweeps up
四、用单词的适当形式完成短文
阅读下面短文，在空白处填入适当的单词或括号内单词的正确形式。
The 500-meter Aperture Spherical Radio Telescope（FAST）, also known as China's Tianyan or \"Sky Eye\．（official）opened to global scientists since April, 2021.
As we know, radio telescopes42．（design）to \"listen\" or \"receive\" signals emitted from the universe. With specialized antennasand radio receivers, these telescopes can detect （天线）radio waves from stars, galaxies and black holes. The data collected in turn help
scientists43．（good）explore the universe. It will also be used occasionally to search for alien life.
The giant radio telescope will also help find more pulsars（脉冲星）, which send out steady signals and waves in a regular rhythm. Scientists use pulsars44．（study）the extreme states of matter, measure cosmic（宇宙的）distances and track time in an ultra-precise（超精密）way. So far, it45．（discover）more than 240 pulsars.
46．（locate）in southwest China' s Guizhou Province,47．largest single-dish radio telescope of the world was completed in 2016. It was put to use48．January 11, 2020. FAST is now the only \"Sky Eye\"49．humans can use to observe cosmic waves. It has immense potential to detect fast radio bursts and gravitational waves, 50．（provide）data support for research into the physical process of the Big Bang, according to experts at the NAO.
五、短文改错
51．假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（^），并在其下面写出该加的词。 删除：把多余的词用斜线（\\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
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注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处，多者（从第11处起）不计分。
I'm glad to have received your letter say that you are interested in China. Now I am writing to sincere invite you to visit China, where won't let you down. As you know, China, with a long history and great culture, have a sea of famous cities and different types of places of interesting for you to explore. Among them he can't miss the Great Wall! Beside, you can also enjoy various delicious food and convenience transport like high-speed trains and shared bikes. They are sure give you a brand new experience!
Wish you all are the best!
六、提纲类作文
52．4月23日是世界读书日（World Book Day），某中学生英文报正在组织以阅读为主题的作文大赛。请以\"A Meaningful Reading Activity\"为题写一篇英文短文参赛，介绍你曾经参加过的一次读书活动。内容包括： 1.活动的时间和地点； 2.活动的具体内容； 3.你的感想。
注意：1.词数100左右； 2.题目已为你写好。
A Meaningful Reading Activity
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参考答案
1．A 2．B 3．D 【分析】
这是一篇应用文。主要介绍了春假营及春假营的活动内容、日程安排及学费等相关情况。 1．
细节理解题。根据文章表格第二行第一列中的Grade 1-5的第四条“Make a fire with many methods.”(用多种方法生火。)可知，1-5年级的孩子们会学到在野外生火的技能。故选A项。 2．
细节理解题。根据文章表格第四行“Extended Camp is offered through our commitment to support working families.”(扩展营是为了兑现我们支持工薪家庭的承诺而提供的。)可知，拓展营是为工作的父母而设计的。故选B项。 3．
细节理解题。根据文章表格第二行第二列中的Grade 6-10的第六条“Tuition: $84.”(学费:84美元。)及倒数第二自然段前两句“Up to 30 minutes after the end of camp is considered a late pickup. For the first 10 minutes we charge a fee of $5 and for any additional minute we charge $1 per minute.”(露营结束后30分钟内被认为是晚接。前10分钟我们收取5美元的费用，任何额外的一分钟我们每分钟收取1美元。)可知，一个9年级的学生，在下午3:50退房，需要额外加15美元，他总共会为这个夏令营支付99美元。故选D项。 4．C 5．D 6．A 7．A 【分析】
这是一篇说明文。文章主要讲述了暴露在阳光下是维生素D的主要来源。而维生素D对身体很有益，号召人们走向户外多晒晒太阳，以便获取更多的维生素D。 4．
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推理判断题。根据第一段“One of Britain' s most outstanding scientists says the growth in the use of electronic tablets and smart phones is causing people to spend so much time indoors that they need to take regular vitamin D supplements to make up for the lack of sunlight they receive naturally.(一位英国最杰出的科学家表示，平板电脑和智能手机的更多使用导致人们花太多时间呆在室内，他们需要定期服用维生素D补充剂来弥补他们自然接受阳光的不足)”可推知，由于技术进步的影响，人们在室内工作的时间长，得到的维生素D比以前少。故选C项。 5．
推理判断题。根据第二段中Steve Jones所说“But now I take vitamin D every day. Today, because I knew the sun wasn't going to shine, I took an extra one.(但现在我每天都服用维生素D。今天，因为我知道不会有太阳，所以我多拿了一张)”可推知，Jones对服用维生素D补充剂是持支持态度的。故选D项。 6．
细节理解题。根据第三段中Jones 所说“The Scots are the whitest people in the world because their entire body systems are crying out for vitamin D.(苏格兰人是世界上最白的人，因为他们的整个身体系统都急需维生素D)”可知，苏格兰人是世界上最白的人因为他们缺乏维生素D，结合本段第一句“Exposure to the sun is the major source of vitamin D.(暴露在阳光下是维生素D的主要来源)”可知，他们非常需要阳光。故选A项。 7．
主旨大意题。通读全文，尤其根据第三段中“Exposure to the sun is the major source of vitamin D. (暴露在阳光下是维生素D的主要来源)”以及最后一段中Jones 所说“So, get out in the sun while we still can.(所以，趁我们还能出去晒晒太阳吧)”等内容可知，本文主要讲述了暴露在阳光下是维生素D的主要来源。而维生素D对身体很有益，号召人们走向户外多晒晒太阳，以便获取更多的维生素D。选项A“到户外去获取更多的维生素D”紧贴文章主题，且有号召性，适合做标题。故选A项。 8．C 9．D 10．B 11．D 【分析】
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这是一篇说明文。文章介绍一项研究，说明有些人不当的处理旧的隐形眼镜，镜片中的塑料会残留在水中，污染水和土地。 8．
细节理解题。根据第一段中“Washing them down the sink or flushing them down the toilet is not the way to go. Yet one in five people who wear contact lenses do just that. (把它们冲下水槽或冲下马桶不是正确的方法。然而，在佩戴隐形眼镜的人群中，有五分之一的人会这样做)”等内容可知，第一段概括了下文中Rolf Halden的调查结果，一些隐形眼镜佩戴者以不当的方式扔掉旧的隐形眼镜。故选C项。 9．
细节理解题。根据第三段中“These microbes made the plastics begin to fall apart, but they weren't fully broken down. Instead, they created a lot of tiny pieces called microplastics.( 这些微生物使塑料开始分解，但它们并没有完全分解。相反，他们创造了许多被称为微塑料的小碎片)”等内容可知，研究人员在水处理厂发现其中一些变成了微塑料。故选D项。 10．
词句猜测题。根据最后一段中划线词句后一句“Many studies have shown that corals, larval fish and shellfish are mistaking microplastics for food. (许多研究表明，珊瑚、鱼类和贝类将微塑料误认为食物)”可知，某些海洋生物会把微塑料当作食物吃掉，因此推测，And that's already happening意为“海洋生物正在吃微塑料”。故选B项。 11．
推理判断题。根据最后一段最后一句“Also the pollution has already shown up in bottled water, sea salt and fish sold for human consumption.(此外，人们消费的瓶装水、海盐和鱼中也出现了污染)”可以推断，下一步微塑料污染对人类健康的影响将被讨论。故选D项。 12．C 13．B 14．A 15．C 【分析】
本文属于记叙文，作者天生残疾，没有放弃，面对困境始终坚持勇气，在导师的鼓励下，找到一份满意的工作。
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12．
词义猜测题。根据最后一段“Thankfully, I found the courage to persevere in the face of adversity and succeeded.“可知，谢天谢地，我找到了在adversity中坚持的勇气，成功了，由此判断出，需要坚持并且最后成功，作者也表示非常开心，暗示出应该是不容易的事，即困难的事。故选C。 13．
细节理解题。根据第二段“I found the courage to work hard in school and be active in sports and other activities despite wearing hearing aids and living with a 70% hearing loss.“可知，尽管我戴着助听器，听力损失率高达70%，但我还是有勇气在学校努力学习，积极参加体育活动和其他活动。故选B。 14．
细节理解题。根据第三段“I am thankful to have a mentor that encouraged me and I am thankful I found the courage to apply for a position with Kellogg.“可知，作者很感激有一个导师鼓励着他，很感激自己有勇气申请家乐氏公司的职位，故选A。 15．
推理判断题。根据第四段“While Kellogg fosters a supportive, encouraging environment”以及“I have found that everyone at Kellogg is always more than willing to take my requests into account.”可知，家乐氏公司有着相互支持、相互鼓励的氛围，作者发现每个员工都很乐意把作者的一些需求加以考虑，故可知，作者在家乐氏公司得到了很多支持，故选C。 16．C 17．G 18．D 19．A 20．F 【分析】
本文是一篇说明文，介绍了鸟是如何睡觉的。 16．
根据空格前一句“At night you hardly hear a bird (晚上几乎听不到鸟叫声)”可知，此处提及鸟在晚上几乎不叫。由此推知，空格处应该解释鸟为什么在晚上不叫。那么C项That’s because
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they’re sleeping at night, too.(那是因为它们晚上也睡觉)解释其原因。故选C。 17．
根据下文“Birds often sleep with one eye open. Only half their brain rests at once and the other half of the brain is able to sense danger if needed.(鸟儿睡觉时常常睁一只眼。他们只有一半的大脑同时休息，另一半的大脑能够在需要的时候感知危险)”可知，本段主要介绍鸟类在睡觉时十分小心。那么G项Unlike humans, birds can more carefully control their sleep(与人类不同，鸟类可以更小心地控制自己的睡眠)引出本段。故选G。 18．
根据空格前一句“By sleeping together, there are more birds to notice predators(通过睡在一起，有更多的鸟注意到捕食者)”可知，此处介绍了鸟类在一起睡觉可以注视到捕食者，所以空格应该讲述这样做会带来的好处。那么D项It gives each bird a greater chance of survival(这给了每只鸟更大的生存机会)承接上文。故选D。 19．
根据空格前一句“When birds sleep, they protect vulnerable body parts by burying themselves in their feathers.( 当鸟类睡觉时，它们用羽毛保护脆弱的身体部位)”可知，鸟类的羽毛可以保护其脆弱的部分。再结合空格后一句“By tucking feet or the bill into the feathers, less body heat is lost.(通过把脚或嘴塞进羽毛里，减少了身体热量的流失)”可知，空格处应该介绍羽毛的作用。那么A项A bird’s feathers help it keep warm.(鸟的羽毛帮助它保暖)介绍了其作用。故选A。 20．
根据空格前一句“There is little data available about how long birds sleep once.(关于鸟类一次睡眠时间的数据很少)”可知，关于鸟类睡眠时间的记录很少。由此推知，空格处应该说明鸟类的睡眠的时间依然是个谜。那么F项So the length of birds sleep per night is still unknown.( 因此，鸟类每晚睡眠的长度仍然是未知的)承接上文。故选F。 21．B 22．A 23．C 24．D 25．A
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26．B 27．C 28．D 29．A 30．B 31．C 32．A 33．D 34．B 35．C 36．A 37．D 38．B 39．C 40．D 【分析】
这是一篇记叙文。文章讲述了David Ropa老师的在课堂教授学生们基本理论，让他们在公园里发射自己制造的火箭来学习物理和运动的过程，由此让学生们通过在做中学习，以培养学生们探索世界的好奇心并对科学产生兴趣。 21．
考查动词词义辨析。句意：里面的七年级学生对即将要发射他们在课堂上制造的火箭感到非常激动。A. mark标志；B. launch发射；C. check检查；D. observe观察。根据后文的 “Two at a time, they march to the platform and 2 their rocket for take-off.” 可知，此空表示发射火箭。故选B项。 22．
考查动词词义辨析。句意：一次两个人，他们走向平台，准备着火箭的起飞。A. prepare准备；B. serve服务；C. consider考虑；D. raise提高。根据后文的 “They wait for their teacher's 3 to start the countdown: 5, 4, 3, 2, 1…Go!” 可知，此空表示他们为火箭发射做准备。故选A项。 23．
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考查名词词义辨析。句意：他们等待老师开始倒计时:5、4、3、2、1……发射的信号。A. information信息；B. warming温暖；C. signal信号；D. lesson课。根据后文的 “5, 4, 3, 2, 1…Go!” 可知，此空表示他们等待老师的发射信号。故选C项。 24．
考查名词词义辨析。句意：通过量角器和一些数学计算，他们估计了每枚火箭的最大高度。A. length长度；B. size大小；C. weight重量；D. height高度。根据后文的 “In Madison' s Elver Park, the students make their 14 fly as high as they can.” 可知，此空表示他们估计了每枚火箭的最大高度。故选D项。 25．
考查动词词义辨析。句意：他们计算了自己的火箭是如何战胜同学和老师制作的90枚火箭A. succeeds成功；B. lends借；C. crashes崩溃； D. slows放缓。的。根据上文的 “they estimate each rocket's maximum 4 ” 可知，他们估计了每枚火箭的最大高度是为了得知他们自己的火箭是不是超过了其他人的火箭，即战胜他人获得成功。故选A项。 26．
考查形容词词义辨析。句意：“利用火箭这一单元,我教物理和物体移动的基本原理,” David Ropa解释道。A. difficult困难的；B. basic基本的；C. complex复杂的；D. abstract抽象的。根据上下文语境和常识可知，David Ropa教授物理和物体移动的基本原理。故选B项。 27．
考查动词词义辨析。句意：他在春港中学教科学，提倡通过实践来学习。A. memorizing记B. diking围堤；C. doing做，D. calculating计算。忆；实践；根据下文的 “‘Kids, like all humans, are doing science all the time,’says Ropa.” 可知，他提倡通过实践来学习。故选C项。 28．
考查动词词义辨析。句意：他补充道:“他们通过玩来探索世界，无论是堆叠玩具还是建造自行车坡道。”。A. escape逃避；B. travel旅行；C. conquer征服；D. explore探索。根据上文的 “‘Kids, like all humans, are doing science all the time,’says Ropa.” 以及下文的“whether it's stacking toys or building bike ramps.”可知，他们是在探索世界。故选D项。 29．
考查动词词义辨析。句意：他补充道:“他们通过玩探索世界，无论是堆叠玩具还是建造自行”。A. adds补充道；B. argues争论；C. debates辩论；D. admits承认。车坡道。根据上文的 “‘Kids, like all humans, are doing science all the time,’says Ropa.” 以及下文的“whether it's stacking
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toys or building bike ramps.”可知，后文是Ropa补充说的内容。故选A项。 30．
A. change改变；B. analyze分析；C. absorb吸收；考查动词词义辨析。句意：他们分析结果。D. dream梦想。根据上文的 “They have a hypothesis（假说）. They set up a test.” 以及下文的“Then they adjust their 11 .”可知，这是做实验的常规步骤即：先有一个假说、进行测试、分析结果、调整策略等。故选B项。 31．
A. purpose目的；B. condition条件；C. strategy考查名词词义辨析。句意：然后他们调整策略。 D. conclusion结论。. They set up a test. They 策略；根据上文的 “They have a hypothesis（假说）10 the results.”可知，这是做实验的常规步骤即：先有一个假说、进行测试、分析结果、调整策略等。故选C项。 32．
考查名词词义辨析。句意：Ropa说:“他的学生在学校使用的工具与许多成年人在工作中使用的工具相似。”。A. tools工具；B. books书籍；C. tables表格；D. descriptions描述。根据下文的 “are similar to those that many adults use at work.”可知，与成年人在工作中所使用相似，在工作用到的应该是工具。故选A项。 33．
考查动词词义辨析。句意：其中一些成年人穿着白大褂，白大褂写有“科学家”字样的名片。A. show显示；B. hold举行；C. provide提供；D. wear穿。根据下文的宾语 “a white lab coat.”可知，应该是穿着白大褂。故选D项。 34．
考查名词词义辨析。句意：在麦迪逊的艾尔弗公园，学生们让他们的火箭飞得尽可能高。A. kites风筝；B. rockets火箭；C. models模型；D. birds鸟。根据上文的 “The seventh graders inside are excited to 1 the rockets they've built in class.”可知，空处应该填火箭。故选B项。 35．
考查名词词义辨析。句意：那教会他们飞行的物理原理。A. life生活；B. air空气；C. flight飞行；D. sport运动。根据上文的 “In Madison' s Elver Park, the students make their 14 fly as high as they can.”可知，空处应填飞行。故选C项。 36．
考查名词词义辨析。句意：Ropa说:“它还能培养一种创造奇迹和希望的感觉。”。A. wonder
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奇迹；B. satisfaction满意；C. achievement成就；D. direction方向。根据常识做实验可以得到意外的收获即创造奇迹。故选A项。 37．
考查动词词义辨析。句意：有些孩子永远不会忘记那次火箭发射。A. record记录；B. start C. miss错过；D. forget忘记。开始；根据上文的 “The seventh graders inside are excited to 1 the rockets they've built in class.”可知，这次火箭发射是学生们非常激动的一次经历，所以孩子们应该永远也不会忘记这次火箭发射。故选D项。 38．
考查名词词义辨析。句意：对其他人来说，这种“计算”可能会让他们对科学产生兴趣。A. entertainment；B. science；C. pleasure；D. interest。根据上文的 “That includes taking math and science into the park.”可知，老师在公园里教授数学和科学，所这次经历应该让学生对科学产生兴趣。故选B项。 39．
考查形容词词义辨析。句意：Ropa说：“孩子们很好奇”。A. active活跃的；B. simple简单的；C. curious好奇的；D. generous慷慨的。根据下文的 “That's what scientists really are-very curious people who keep that curiosity going in their jobs.”可知，空处应填好奇。故选C项。 40．
考查动词短语词义辨析。句意：只要看看当海水冲上岸一条死鱼时孩子们的反应就知道什么是好奇了。A. moves off离开；B. sweeps up清理；C. sets aside预留；D. washes up冲上岸。根据上文主语 “the sea”及下文宾语“a dead fish”可知，海水将一条死鱼冲上岸。故选D项。
41．officially 42．are designed 43．better 44．to study 45．has discovered 46．Located 47．the 48．on 49．that
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50．providing 【分析】
这是一篇说明文。文章主要介绍了中国的“天眼”望远镜已经投入使用和其工作原理，据NAO的专家介绍，它为研究大爆炸的物理过程提供了数据支持。 41．
考查副词。句意：500米口径球面射电望远镜（FAST），也称为中国的“天眼”，自2021年4月起已正式向全球科学家开放。使用副词作状语修饰谓语动词，故填officially。 42．
考查时态和语态。句意：众所周知，射电望远镜被设计用来“监听”或“接收”从宇宙发射来的信号。该句描述的是一般事实，使用一般现在时，主语 radio telescopes（复数意义）和design之间是被动关系，design应用被动语态，故填are designed。 43．
考查比较级。句意：反过来，收集到的数据可以帮助科学家更好地探索宇宙。由上一句话可知，借助专用天线和无线电接收器，这些望远镜可以检测到来自恒星，星系和黑洞的无线电波。科学家这样做的目的是为了研究宇宙，那么通过收集到的数据会促进科学家“更好地”研究宇宙，因此这里使用比较级的形式符合句意的需要，故填better。 44．
考查动词不定式。句意：科学家使用脉冲星以超精密的方式研究物质的极端状态，测量宇宙距离并跟踪时间。此处使用动词不定式作目的状语，表示“为了做某事”，故填to study。 45．
考查时态和主谓一致。句意：到目前为止，它已经发现了240多个脉冲星。由时间状语“so far”可知，句子应使用现在完成时，主语it为单数意义，故填has discovered。 46．
考查过去分词。句意：世界上最大的单碟射电望远镜位于中国西南部的贵州省，它于2016年竣工。主语 telescope承受locate（ 把……安置在或建造于某地）的动作，因此空格处应填入locate的过去分词作状语，（be）located in：位于某地，故填Located。 47．
考查冠词。句意：世界上最大的单碟射电望远镜位于中国西南部的贵州省，它于2016年竣工。由“ of the world”和“largest”可知，该单碟射电望远镜是世界范围内最大的，这是形容词的最高级形式，故填the。
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48．
考查介词。句意：它于2020年1月11日投入使用。此处表示“在具体的某一天”，应该使用介词on，故填on。 49．
考查定语从句。句意：FAST现在是人类唯一可以用来观察宇宙波的天眼。分析句子结构可知，空格处引导限制性定语从句，先行词Sky Eye（指物）在从句中作宾语并且先行词前有the only限制，因此应用关系代词that而不能使用which引导定语从句，故填that。 50．
考查现在分词。句意：据NAO的专家介绍，它在探测快速射电爆发和引力波方面具有巨大潜力，为研究大爆炸的物理过程提供了数据支持。分析句子结构可知，provide在句中不是谓语动词，它与前面的“detect fast radio bursts and gravitational waves”在逻辑上是主动关系，因此使用现在分词作状语，故填providing。 51．1.say→saying 2.sincere→sincerely 3.where→which 4.have→has 5.interesting→interest 6.he→you
7.Beside→Besides 8.convenience→convenient 9.在give前面加to 10.删除are 【分析】
本文是一篇书信。在信中，作者表达了对朋友来中国旅游的期待以及简要介绍了中国美食美景的特色。 【详解】
第一处：考查非谓语动词。句意：我很高兴收到你的来信，说你对中国感兴趣。前句已有动词have received，所以只能作后置定语。名词your letter与 say之间为主动关系，所以用现在分词作定语。故将say改为saying。
第二处：考查副词。句意：现在我写信真诚地邀请你访问中国，那里不会让你失望。修饰后
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面的动词invite，用副词，表示“真诚地”，用副词sincerely。故将sincere改为sincerely。 第三处：考查定语从句。句意：现在我写信真诚地邀请你访问中国，那里不会让你失望。这里含有一个定语从句，China是先行词，指物，关系词在非限制性定语从句中作主语，that不能引导非限制性定语从句，用which。故将where改为which。
第四处：考查主谓一致。句意：正如你所知道的，中国有着悠久的历史和伟大的文化，有许多著名的城市和不同类型的名胜供你探索。China作主语，谓语动词用单数。故将have改为has。
第五处：考查名词。句意：正如你所知道的，中国有着悠久的历史和伟大的文化，有许多著名的城市和不同类型的名胜供你探索。places of interest为固定搭配，意为“名胜古迹”。故将interesting改为interest。
第六处：考查代词。句意：在这些美景当中，你不能错过长城!根据书信格式，作者一直以第二人称称呼自己的朋友，人称不能突然改变。故将he改为you。
第七处：考查副词。句意：此外，你还可以享受各种美味的食物和方便的交通，如高速列车和共享单车。besides副词，意为“此外”，引出另一种情况，以作补充。用于开头，常用逗号与后面句子隔开。故将Beside改为Besides。
第八处：考查形容词。句意：此外，你还可以享受各种美味的食物和方便的交通，如高速列车和共享单车。修饰后面的名词transport，用形容词，表示“便利的”，用形容词convenient。故将convenience改为convenient。
第九处：考查固定搭配。句意：他们一定会给你一个全新的体验!be sure to do sth为固定搭配，意为“一定会……”。故在give前面加to。
wish sb. sth.希望某人……，第十处：考查动词用法。句意：祝你一切顺利！其中wish表示“祝愿、祝福”。故将are删除。 52．A Meaningful Reading Activity
As we know. April 23rd is World Book Day. Reading plays a significant part in everyone's life. I'm more than delighted to share a meaningful reading activity with you.
Last Saturday, a reading activity, whose theme was \"Books are Friends\school library. It started at 9 a.m., lasting 3 hours. At the beginning, the headmaster of our school delivered a speech on how to develop a good habit of reading. And he recommended a book named The Kite Runner to us. After that, students had a further communication with their group members, not only talking about favorite books but also exchanging reading skills. What
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impressed me most was that we had a video call with Fan Deng, a famous man I admired.
What a meaningful reading activity it was! Reading books broadens our horizons. Love books, for they are our best friends. 【分析】
本文属于说明文，介绍参加过的一次读书活动。 【详解】 1.词汇积累
重要的：important→ significant 高兴的：happy→ delighted
做演讲：give a speech→ deliver a speech
养成好习惯：form a good habit of→ develop a good habit of 2.句式拓展 合并简单句
At the beginning, the headmaster of our school delivered a speech on how to develop a good 原句：
habit of reading. And he recommended a book named The Kite Runner to us.
拓展句：At the beginning, the headmaster of our school delivered a speech on how to develop a good habit of reading and recommended a book named The Kite Runner to us. 【点睛】
[高分句型1] Last Saturday, a reading activity, whose theme was \"Books are Friendshe school library. (运用了whose引导的非限制性定语从句)
[高分句型2] What impressed me most was that we had a video call with Fan Deng, a famous man I admired. (运用了what引导的主语从句)
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