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Unit 13 We’re trying to save the earth!（Revision）任务单
一、复习目标
1.通过听力填空、听力判断，能正确运用本单元核心词汇，能谈论各种环境污染问题及解决措施。
2.通过语法填空，能正确地完成练习,能理解鲨鱼濒危的原因及拯救措施。
3.通过简短笔记，快速查找定位关键信息，提高理解能力。
4.通过小组合作的方式，对本单元知识进行迁移、创新，能针对日常生活中拯救地球的措施给出合理建议，提升语言运用能力。
二、学习活动
Aim 1 15 minutes，自评得分：
Task 1：listen carefully and complete the sentences.
（根据所听内容，补全句子，每空一词）
1.Jason and Susan are talking about _____ pollution and _____ pollution.
2.The air is badly _____because there are more ______on the road these days.
3.Factories that burn _____ also pollute the air with a lot of ______ smoke.
4.There is too much _____ and waste. People are ______ away things every day.
5.People are also littering in ______ ______.
Task 2: Listen carefully and mark T or F.（根据所听内容，判断句子正误）
1.Jason thinks riding a bike is good for our health. （ ）
2.Susan hasn’t started bringing a bag while shopping. （ ）
3.Jason never takes wooden chopsticks or plastic forks when he buys takeaway food. （ ）
4.Susan suggests throwing rubbish in bins. （ ）
5.Jason and Susan are giving ideas for solving water and waste pollution. （ ）
Task 3：work in groups to discuss some solutions to these problems.
（小组合作讨论解决污染的措施）
Problems(问题） Solutions（措施）
air polution
water polution
land polution
noise polution
To cut down __________ pollution, we should ______________________________________.
Aim 2 10 minutes，自评得分：
Task 4: Grammar cloze.（语法填空）
The earth is not only our home but also the 1 ______ (animals) home. But the people are very cruel : they kill animals for food or fur or for money. For example, Sharks are 2____ the top of the food chain in the sea , but they 3_______( kill) by people because of their fins.
Besides, we destroy the ecosystem by 4 ____(do) that. And no 5 _______(science) studies show that they are good for 6______(healthy). And drinking shark fin soup 7_____ (be) harmful to the earth. So we should 8______(love) animals and stop 9________(drink) it, and the government can develop laws 10_______(stop) killing them. Help save the sharks!
Aim 3 10 minutes，自评得分：
Task 5: Read the passage in 2b and take brief notes.（阅读2b课文，完成简短笔记）
1.The things that Amy Hayes used to build the house:_________________________________
2.The things Jessica Wong made bags :____________________________________________
3.The places where Jessica Wong sells her bags:_____________________________________
4.The hope Wang Tao has:______________________________________________________
5.Please find the sentences in the passage that has the same meaning as “Nothing is a waste if you are creative.”(请在本文中找出与画线句子相同的句子)__________________________________________________________________________
Aim 4 5 minutes，自评得分：
Task 6：work in groups to discuss the ways to save the earth in our daily life.
（小组合作讨论日常生活中拯救地球的措施）
“How do we save the earth in daily life ”
Ways:①_______________________________________________________________
②_______________________________________________________________
③______________________________________________________________________
④_______________________________________________________________________
⑤_______________________________________________________________________
三、学习评价
Task 1 Task 2 Task 3 Task 4 Task 5 Task 6 总分
Self-evaluation(个人总评)
2.Homework
Less than 30 points
You must：Review what we have learned today.
If you can：Write a passage about your ways to save the earth.
More than 30 points
What can we do for protecting the environment in our city Write a letter to the city mayor and share your advice.
3.评选优胜小组

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