内容正文:
Topic 1
Section A
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1.能区分一般过去时和现在完成时。
2.能听懂表示环境变化的对话和短文。
学习目标
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·导学建议·
课前教师可以展示一些有关污染的照片,用英文介绍一下污染给人类、生物和环境造成的危害,让学生参与讨论,来调动学生的学习兴趣。
预习导学
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教师可以用下列问题导入新课:
1.Do you know anything about water pollution?
2.Is water pollution bad for people and all the other living things?
3.How does water pollution influence our life?
预习导学
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一、生词速查
1. mess n.肮脏,杂乱;困境
2. shame n.羞耻,羞愧→What a shame! 真可惜!
3. several det.&pron.几个,数个
4. waste adj.废弃的,丢弃的,无用的→waste v.浪费→waste n.浪费,废品
5. pollute v.污染→pollution n.污染
mess
shame
several
waste
pollute
预习导学
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二、短语速记
1.去野餐 have a picnic
2.西山 the West Hill
3.两年前 two years ago
4.许多花和草 lots of flowers and grass
5.看见蜜蜂和蝴蝶在舞蹈 see bees and butterflies dancing
6.几家化工厂 several chemical factories
7.把……倒入……里 pour ...into ...
have a picnic
the West Hill
two years ago
lots of flowers and grass
see bees and butterflies dancing
several chemical factories
pour ...into ...
8.砍倒 cut down
cut down
预习导学
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三、句子速译
1.What a shame!
太可惜了!
2..., and you can see bees and butterflies dancing.
……,你能看到蜜蜂和蝴蝶在舞蹈。
太可惜了!
……,你能看到蜜蜂和蝴蝶在舞蹈。
预习导学
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4.Everything has changed.
一切都发生了变化。
一切都发生了变化。
3.There were several chemical factories pouring waste water into the stream.
有几家化工厂向溪水中排放废水。
有几家化工厂向溪水中排放废水。
预习导学
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四、想一想
预习课本1a,回答下列问题。
1.What did the West Hill look like two years ago?
It was a mess.
2.How is the West Hill now?
The air is fresh and the water is clean, and you can see bees and butterflies dancing.
It was a mess.
The air is fresh and the water is clean, and you can see bees and butterflies dancing.
预习导学
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·导学建议·
课前让学生预习课本1a,并完成课本1b和1c 的内容,课前检查答案并让学生复述1a的对话。
合作探究
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时态练习
根据句意在横线上填入谓语动词的适当形式
1.Miss Li left (leave) here an hour ago.
2.I have watched (watch) the new movie Detective Chinatown 3(《唐人街探案3》)twice. It is a wonderful movie.
3.My parents have lived (lived) in the village for more than 40 years.They are u