人教新目标 (Go for it) 版九年级全册Section A精品ppt课件

Unit 13 We’re trying to save the earth!

SectionA1a—2c 导学案

【学习目标】

1.Key words & phrases:  litter, bottom, fisherman, environmental protection ,coal , ugly;the bottom of，be full of，used to do sth.，play a part in doing sth.，clean it up，be badly polluted，too much rubbish and waste，turn…into

2. Key sentences:

① Even the bottom of the river was full of rubbish.

② The air has become really polluted around here.

③ The river used to be so clean.

3.Talk about pollution and environmental protection.

4.通过听力练习了解如何解决水污染问题，一级保护水资源的重要性。

【学习重难点】

1.掌握本课时重点词汇及句型    2.使用我们所学到的知识来谈论污染和环境保护。

【自主预习】

一、请根据中文意思写出下列重点单词。

1. v. 乱扔　 n. 垃圾；废弃物____ 

2. adj. 丑陋的；难看的____

3. n. 底部；最下部____

4. n. 渔民；钓鱼的人____

5. n. 煤；煤块____

二、请认真阅读课文，找出下列重点短语。

6. 在河床底部____

7．充满了垃圾____

8．把垃圾扔入河中____

9．尽一份力把它清理干净____

10．使空气中充满了黑烟____

三. 完成下列句子。

11. Everyone in town _______________________________________.城里的每个人都应当尽一份力把它清理干净。

 12. The air __________________ because there are ____________ cars on the road these days.空气被严重污染因为如今路上的汽车太多了。

【合作探究】

1. 完成1a&1b
2. Listen again and complete the conversations.

1）What does Tony want to do later this afternoon?

2）Why doesn’t Mark want to go with Tony?

3）How was the river in the past?

3.Retell the conversation.

Tony wants to go _________ in the river with Mark this afternoon. But Mark doesn’t want to go, _______ he went there last weekend and the river was really ______. Even the ______of the river was full of _______, and there were no more fish for fishermen to _______. Tony thinks the river used to be so ______. It has always been the _______(nice) river in this town.    Mark tells Tony that people are throwing _____ (垃圾）into the river. Factories are also putting _____(废气物) into the river. They decide to write to the __________ (政府）and hope that it could _________ (关闭）the factories. They also think that everyone should help to ________ (清理 )the river and  __________ (发挥作用） in protecting the environment.

4.完成1c

5.完成2a&2b.

6.Listen again and complete the conversations.

Interviewer: Today we’re talking to Jason and Susan about______________________ . Jason and Susan, can you tell us about some of the problems you’ve seen?

Jason:I think one problem is that the air  __________________. I ___________  see blue skies anymore.

Susan:Yes, and I ___________   the stars clearly.

Interviewer: What do you think  _________________

 this problem?

Susan:Well, there are more cars on the road these days.

Jason:And factories that ___________ also pollute the air with a lot of  _________________.

Interviewer: What other problems do you see?

Susan:I guess there’s _______________________________  in the streets.

Jason:         Yes! Every day people_______________________ 

like wooden chopsticks, plastic bowls and plastic bags.

Susan: They’re also ________________________, for example, during picnics in parks. This is __________________________ ugly ones.

Interviewer: You’re right. These are serious problems for our environment. Next, let’s talk about the things we can do to help.

7.完成P2-2c