Unit 13 we’re trying to save the earth
Section A 2a___2d
学习目标
1.能够听、说、读、写下列单词和词组:litter,bottom , fisherman ,coal , ugly , advantage, cost ,wooden , plastic ,be full of ,close down , play a part in ,clean up , cut down , instead of , lead to , make a difference , air pollution.
2.能听懂关于环境污染和环境保护的听力材料。
3.通过谈论环境问题,培养学生的环境保护意识。
重点难点
1、掌握本课时的重点词汇和短语。
2、如何正确运用现在进行时、used to结构和情态动词谈论环境污染和环境保护。
3、培养学生环境保护的意识。
教学过程
(一)预习交流 (学生自学新单词和短语,看谁记得又快又准。)
1、垃圾________ 2、底部_________ 3、渔民__________ 4、煤块__________ 5、难看的__________ 6、木制的_________7、plastic__________ 8.、cost_________ 9、takeaway _________10、used to___________11、instead of_____________12、air pollution__________
(二)分组合作、展示提升
Step 1.通过多媒体向学生展示一些环境污染的图片,要求学生用简单的词描述这些污染。
Step.2完成1a~2c的任务。
(1)要求学生仔细看1a的图片,完成相应的练习并展示。
(2)听录音,完成1b的练习。
(3)让学生结对扮演模仿1c的对话 ,并请2~3组当堂展示。
Step 3.完成教材2a~2d的任务
(1)要求学生翻开课本,播放录音,完成2a 、2b的练习并让个别学生展示。
(2)要求学生结对练习2c的对话。
(3)组内合作学习2d的对话,并练习2d的对话,最后让2~3组同学分角色朗读对话
(三)达标检测
1、单项选择。
(1). He ___ go out with his parents, but now
he _____ staying at home alone.
A. used to; is used to B. is used to; used to
C. use to; used to D. is used to; is used to
(2). The interesting book ___ me 10 yuan.
A. took B. paid
C. spend D. cost
(3). We must do something useful to ___ pollution.
A. cut off B. cut up
C. cut down D. cut in
(4). Smoking can ___ lung cancer(肺癌), you'd better give it up.
A.work on B.lead to
C.take away D.put out
(5) --What are the ___ of bike riding
-- It can help cut down air pollution.
A.advantages B.reasons
C.results D.ideas
2、根据句意及汉语提示拼写单词。
Don't throw _______(垃圾) everywhere.
In winter, many people burn ______(煤) to keep warm.
The police found a body at the ________(底部) of the lake.
The ______(花费) of living in big cities is very high.
He keeps a rabbit in a big_______(木制的) box.