八年级英语Pollution Fighters教案2

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Step 2 While-reading（这是本课的重点部分）
1) 第一遍阅读文章，要求学生根据上下文的内容和线索猜测词意。
2) 第二遍通读全文，理解文章意思，并完成Ex. D (page 18)、Ex. E (page 19)。提醒学生阅读时注意阅读方法的使用。比如，在做Ex. D时，使用scanning即跳读的方法寻找具体问题的答案。在做Ex. E时，使用skimming即略读的方法，注意文章中的主题句和关键句。
3) 听课文录音。
4) 重点词汇及句式讲解。
1. collect some facts for a class project on pollution
2. pollute (v.) / pollution (n.) / polluted (adj.) / pollutant (n.) 污染物
3. interview (vt.) Doctor Ray
4. be interested in = be keen on / be fond of / enjoy / like 喜欢，感兴趣
5. show (great) interest in
6. interest (n./v.) / interesting (adj.) / interested (adj.)
7. the biggest and oldest living things on earth
8. live (v.) 生活，居住 e.g. Where do you live?
(adj.) 活着，有生命 e.g. Have you ever touched a real live snake?
现场直播的 e.g. It wasn‘t a recorded show， it was live.
lively (adj.) 有生气的，活泼的，充满活力的 e.g. They are lively children.
alive (adj.) 活的e.g. The young woman was still alive when the ambulance reached the hospital.
He kept the little cat alive by feeding it warm milk.
充满生机的 e.g. In the evening the town really comes alive. (名词后用alive)
living (adj.) 活的 e.g. Does he have any living relatives? (名词前用living)
　　　(n.) 生活 e.g. She makes a living by selling newspapers.
life (n.) (个人的)生命 C e.g. Three lives were lost in the fire.
　　　　　　　　　　　　　Doctors fought all night to save her life.
生活 U e.g. Life can be hard for a single parent.
That‘s life， you can‘t change it.

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www.yf1234.com Exercises： 1) My family ＿＿＿＿＿＿＿＿＿＿ in New York ten years ago.
2) Is your grandfather ＿＿＿＿＿＿＿＿＿＿＿?
3) What is the oldest ＿＿＿＿＿＿＿＿＿＿＿＿ things in the world?
4) Policemen make our ＿＿＿＿＿＿＿＿＿＿ safe.
5) The ＿＿＿＿＿＿＿＿＿ people should always look forward.
6) My pet dogs are dying. Can‘t you make them ＿＿＿＿＿＿＿＿＿＿?
7) I make a ＿＿＿＿＿＿＿＿＿＿＿＿ by teaching in a middle school.
9. What good are trees? = What is the good of trees? 树有什么好处呢？
10. make streets more beautiful and less noisy
11. noise (n.) / noisy (adj.) / noisily (adv.)
12. else (adj.) 其它的 (置于疑问代词或不定代词后)
e.g. What else can they do? Do you want to buy anything else?
other (adj.) 其它的 (置于名词前) e.g. We study Chinese， math， English and other subjects.
13. suppose (v.) = think something to be true
　　　　　　　e.g. I suppose you felt tired after running the marathon (， didn‘t you?).
suppose = pretend that something is true
　　　　　　　e.g. Suppose you had a million dollars， what would you do?

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八年级英语Pollution Fighters教案2