内容正文:
九年级·英语· 人教版·全一册
Unit 13 We're trying to save the earth !
Section B (3a~Self Check)
1.能够识别句子结构,掌握现在进行时、现在完成时、被动语态、情态动词和used to 的用法。
2.能找出本地区环境好的地方和不好的地方,并分析原因。
3.能结合本单元的环境问题和环保措施,完成写作任务。
学习目标
1.完成任务驱动一,达成学习目标1。
2.完成任务驱动二,达成学习目标2。
3.完成任务驱动三,达成学习目标3。
评价任务
同学们,在你们居住的地方有哪些环境问题呢?是什么引起的呢?有哪些需要改进呢?
·导学建议·
利用PPT呈现一些被污染的地方和一些环境较好的地方的图片。
预习导学
一、选词填空
used to take action put sth.to good use
the food chain not only...but also...
1.She not only plays the guitar well, but also writes music well.
2.My parents hope that I can put my study time to good use .
3.We should take action at once after we make a decision.
4.I used to get up early in the morning.
5.Human beings are at the top of the food chain .
not only
but also
put
to good
use
take action
used to
the food chain
预习导学
二、句子速译(把下列句子翻译成英文)
1.这条河过去是那么的清澈。
The river used to be so clean.
2.我们看到了环境中的很多变化。
We have seen many changes in the environment.
3.人们应该更多地乘坐公共交通工具。
People should take public transportation more.
The river used to be so clean.
We have seen many changes in the environment.
People should take public transportation more.
预习导学
4.这条河被工厂污染了。
The river is polluted by factories.
The river is polluted by factories.
5.空气污染变得越来越糟了。
The air pollution is getting worse and worse.
The air pollution is getting worse and worse.
预习导学
三、动动脑筋
1.Do you live in a town or a city?
2.Do some parts in your town/city have a nice environment? Why are they nice?
3.Which parts need to be improved? Why?
预习导学
新知探究
分小组讨论课本3a中所列的问题,各小组成员依次发表自己的看法并注意记录其他成员的观点,完成3a中的表格。
·导学建议·
学生完成填写后,教师请几个小组代表汇报小组讨论结果。
合作探究
读写训练
浏览课本3b的写作要求及提示,完成课本3b的写作任务。
一、素材积累
【词汇】
1.低碳生活 low-carbon life
2.环境保护 environmental protection
3.砍伐 cut down
4.把……扔进…… throw...into...
low-carbon life
environmental protection
cut down
throw...into...
合作探究
5.关掉 turn off
6.节约用水 save water
7.交通拥堵 traffic jams
8.采取措施 take measures
turn off
save water
traffic jams
take measures
合作探究
【参考谚语】
1.水是生命之源。
Wa