Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A(两课时)
九 年级 英语 学科 第_22__ 课时 主备： 审核： 学生姓名________ 学习目标
1.单词：bee, butterfly, mess, shame, several, pour, waste, village, destroy, pollute, cut down 2.句型：What a mess!
I went there two years ago. The flowers and grass have gone.
Look, there are several chemical factories pouring waste water into the stream. 3.重难点：比较一般过去时和现在完成
第一课时（1a-1c）
一 .自主学习
1.口语交际:Where have you been/traveled ?（师生对话、生生对话或自述形式）
2.自学单词：请你根据音标和拼读规则自学完成本课时的新单词。你可以大声读给组长或老
师听哦！
3.独立预习：预习27页1a，大声朗读至熟练，试试看，在课堂上你能与原声PK吗？ 4.感悟新知：读对话，找出下列短语或句子
把…倒入… 看见某人正在做某事 一片狼藉 太不像话了！ 真是一团糟！ 有某人正在做某事
二.合作探究 1.听力训练
（1）听前预测：看图片，Maria，Jane与Kangkang在谈论什么呢？试着描述两幅图片。 （2）听1a完成1b，小组核对答案。
（3）Read 1a, and complete the sentences in the table.Then retell 1a. 2.两人一组，分角色读1a。
3.读完对话后，请小组合作完成下列任务，注意展示时小组的每个成员都要有任务哦！ （1）Pollution really causes too many problems.
你能说说这三个短语too many , too much , much too 的区别吗？试着举例吧！ （2）There are several chemical factories pouring waste water into the stream. 写出上面句子的句型吧！_________________________________________ 如：有许多学生在教室读书。
______ ________many students ________ books in the classroom. （3）你还从对话中发现了哪些重点呢？ 三．展示交流
1.分角色表演对话。
2.质疑：独立朗读1a，你还有哪些疑惑和发现呢？说出来我们一起来分享吧！ 四．点评小结
今天我们学到了重点词汇
重点句型
五.达标检测 根据句意及首字母提示完成下列各句。 1. I have b_______ to the West Hill before.
2. All the flowers, grass and fish have g_______.
3. There are s________ chemical factories pouring waste water into the river. 4. We call a small narrow river a s_______.
5. Using chemicals too much in the fields may cause p________.
第二课时（2-3b）
九 年级 英语 学科 第_23__ 课时 主备： 审核： 学生姓名________ 一.自主学习
1.口语交际Make a survey: Ask three or four people(your teachers or classmates) about what their
hometowns are like ? What were they like before?下列问题也许能帮到你！
Where is your hometown?
Is there a factory in your hometown?
Are there any beautiful flowers and green trees? Is the lake or stream clean? 2.预习28页2-4。 二.合作探究
1. 预测part2 的图片，比较每一组图片，试着用句子描述他们。 2. 仿照例子编对话，小组的每位成员都要参与哦！
3. 思考：对话中你使用了______ 和________时态，说说如何正确地使用这两种时态。 There were lots of flowers and grass last year. What has happened recently?
看了这组句子，请写出两种时态的标志词。
_________________________________________________________________ _________________________________________________________________ 三．展示交流 1.展示合作探究。
2.听3的录音给图片排排序，核对答案。 3.听录音，完成3B。
4. 根据老师提供的图片，用part4提供的词语描述各类污染。 四．点评小结
这节课你学到了什么？ 五．达标检测 单项选择
( ) 1. Look! There are some boys ________ on the playground.
A. play football B.. are playing football C. playing football D. plays football ( ) 2. — I’m sorry I can’t go shopping with you. I am ill. —____________
A. What a mess! B. What a shame! C. What a pity! D. B and C ( ) 3. — Don’t ________ water. We must save every drop of it. — Sorry, I won’t do it again.
A. waste B. throw C. play D. leave 用所给动词的适当形式填空。
1. When I entered the room, I saw Maria ________ (read) a Chinese book. 2. What a shame! The flowers and trees in the park _________ (go). 3. Everything _____________ (change) in the past few years.
4. Pandas don’t have enough bamboos ________ (eat) now because of the pollution. 5. — Where have they been?
— They __________ (be) to the Great Wall. They _______ (have) a good time there the day before yesterday.
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