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3．学习能力：
英语是综合运用能力的体现，它要求学生对单词、句型、基本语法能熟练运用，还要求学生要有较强的逻辑表达能力。但是学生对时态掌握仍需加强。教学
目标?1．语言知识目标?
基本词汇：
litter,?advantage,?bottom,?fisherman,?coal,?ugly,?cost,?wooden,?plastic,?takeaway,?bin,?shark,?fin,?method,?cruel.?Harmful,?chain,?ecosystem,?industry,?law,?scientific,?afford,?reusable,?transportation,?recycle,?napkin,?upside,?gate,?bottle,?president,?inspiration,?iron,?work,?metal,?creativity,??
基本词组：
be?harmful?to,?at?the?top(of?sth.),?take?part?in,?turn?off,?take?action,?throw?away,?put?sth.?to?good?use,?pull…?down,?bring?back?
基本句型：
We’re?trying?to?save?the?earth!?
The?river?used?to?be?so?clean.?
The?air?is?badly?polluted.?
No?scientific?studies?have?showed?that?shark?fins?are?good?for?health.?
We?should?help?save?the?sharks.??
2.?技能目标:?能正确运用现在进行时，现在完成时，被动语态，情态动词和used?to?句型。?
3.?情感目标:?有环境危机意识，学会关注环境保护环境。教学重点能正确运用现在进行时，现在完成时，被动语态，情态动词和used?to?句型。?
保护环境的措施方法。
教学难点?能正确运用现在进行时，现在完成时，被动语态，情态动词和used?to?句型
How to train students’ listening ability
How to train students’ communicative competence．
教学准备
教学教法白板，师生互动，生生互动教 学 过 程详细内容师生活动个性彰显1a. To introduce Ss to the unit goal, talk about pollution and environmental protection.
Picture:
The four pictures show different forms of environmental pollution. The first picture on the left shows an airplane flying over some houses. The airplane seems to be flying a quite a low altitude, so the noise level must be quite high foe the people living in these houses. This is considered noise pollution. The second picture shows some vehicles give out exhaust fumes and causing air pollution. In the third picture, we see big chimneys giving off a lo of smoke and polluting the air. The last picture shows a rubbish dump hat pollutes the environment around it.
What other things cause pollution?
Ask Ss to complete the activity as a class, then work in pairs to think of more words to add to the lists for each column.
1b. To help Ss recognize the target language in natural speech.
Everyone needs to play a part: In the conversation, the boys are talking about the river in their town being polluted by litter and industrial waste. One of them wants to write to the government about the problem, but the other boy wisely says that cleaning up the river is everyone’s responsibility, not just the government’s.
Predicting the answers
Ss work in pairs to predict the answers to the activity, then play the recording for Ss to fill in the gaps and review answers as a class.
1c. To give Ss guided practice in using the target language to talk about pollution and environmental protection.