Unit 2 Saving the earthTopic 1 Section D 学案（含答案）仁爱版九年级上册

Unit 2 Topic 1 Section D
【学习目标】
1.复习本话题所学词汇、句型和语法。
2.通过阅读了解不同种类的污染,获取具体信息,进一步提高阅读能力。
3.树立环保意识,爱护环境,保护地球。
【预习导学】
一、生词速查
1.　　 n.煤;煤块
2.　　 v.造成;创造→　　 n.创造;创建→　　 n.生物;动物 →　　 adj.创造性的;有创造力的
3.　　 n.血
4.　　 n.行星
二、短语速记
1.对……有害 　 　
2.在许多方面 　 　
3.随着……的发展 　 　
4.在田间 　 　
5.太多的化学品 　 　
6.在吵闹的地方 　 　
7.高血压　 　
8.也 　　
9.环保人 　 　
三、句子速译
1.They are bad for our health in many ways.
______________________________________________________________
2.Burning gas, oil and coal creates air pollution.
______________________________________________________________
3.In the fields, farmers use too many chemicals which destroy the soil.
______________________________________________________________
四、想一想
预习课本1a,补全下列句子,每空词数不限。
1.Air pollution can 　　
2.Soil pollution causes 　　.
3.Noise pollution can 　　, and too much noise can cause 　　.
4.Light pollution may cause 　　, and is especially bad for 　　.
【答案】
一、
1.coal
2.create　creation　creature　creative
3.blood
4.planet
二、
1.be bad for
2.in many ways
3.with the development of
4.in the fields
5.too many chemicals
6.in a noisy place
7.high blood pressure
8.as well
9.greener people
三、
1.它们在许多方面对健康有害。
2.燃烧煤气、石油和煤炭造成空气污染。
3.在地里,农民使用了太多对土壤起破坏作用的化肥和农药。
四、
1.cause sore eyes and breathing problems.
2.unhealthy food
3.make people deaf　high blood pressure
4.illness　eyes
【合作探究】
任务驱动一 重点归纳
1.独自完成Grammar部分的填空。
I 　　(go)there two years ago.
There 　　(be) lots of flowers and grass.
What 　　(happen) here
I have 　　(be) like this since last week.
The flowers and grass 　　(go).
　　2.独自完成Functions部分的填空,并背诵默写这些重要句子。
Oh, what a 　　!
There are several chemical factories 　　 waste water into the stream.
What's 　　, the factory makes too much noise.
Noise is harmful to human's health.
People who work and live in noisy conditions often 　　 deaf.
...many teenagers in America can hear no 　　 than 65-year-old people do,
...does great 　　 to people's hearing.
任务驱动二 阅读训练
1.读课文第一遍,找出文章的中心句
中心句:They are bad for our health in many ways.
2.读课文第二遍,概括第2~5段的内容
第2段:Air pollution;
第3段:Soil pollution;
第4段:Noise pollution;
第5段:Light pollution.
任务驱动三 小组交流
1.搜集关于各种污染的图片;
2.小组交流,讨论各种污染带来的危害;
3.用搜集到的图片,制作一期关于污染的黑板报。
【答案】
任务驱动一
1.went　were　has happened　been　have gone
2.mess　pouring　worse　go　better　harm
【知识超市】
[命题点一]create、invent和discover的区别
●Burning gas,oil and coal creates air pollution.燃烧天然气、石油和煤炭造成空气污染。
◎观察思考:1.How do I create a new file 我该怎样创建一个新文档
2.The main road was closed, creating a lot of traffic problems.主路被封闭,引起了诸多交通问题。
◎用法总结:1.create,为及物动词,意为“创建,创造”。
2.create还有“产生,引起”的意思。
对点自测
用discover, create或invent的适当形式完成句子
1.Ge Liang is a famous actor and he 　　 a number of wonderful characters in his plays.
2.It is said that a Chinese ruler called Shen Nong first 　　 tea as a drink.
3.In order to enrich students' social life, many schools in our city encourage students to 　　 something new.
【答案】
1.creates
2.discovered
3.invent
[命题点二]
●Too much noise can cause high blood pressure as well.太多的噪音也能引起高血压。
◎用法总结:1.too much意为“太多”,修饰不可数名词、动词及动词短语;much too意为“太”,相当于副词too,修饰形容词或副词;too many意为“太多”,修饰可数名词,后跟名词复数。如:
Don't eat too much candy.It's harmful to your teeth.不要吃太多的糖,它对你的牙齿不好。
Watching TV too much is bad for your eyes.看电视太多,对你的眼睛有害。
You've made too many mistakes.You are much too careless.你犯了太多错误,你太粗心了。
2.as well意为“也”。意思等同于too, also, either。
易错辨析
词汇 用法
as well 置于肯定句句末,前面不需要逗号
too 置于肯定句句末,前面可以用逗号隔开
also 置于句首或句中
either 置于否定句句末,前面通常有逗号隔开
　　拓展:as well as意为“和,且”。如:
Mike as well as his brother likes swimming.麦克和他的哥哥都喜欢游泳。
对点自测
用too, also, either, as well填空,完成句子
1.Do you 　　 want to go to Beijing with us
2.I don't like rock music, 　　.
3.If Jack goes, John will go, 　　.
4.I am going to Guilin, and my parents are going there 　　.
【答案】
1.also　2.either
3.too　4.as well
2