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1、Unit 2 Topic 1 Pollution has causes too many problems 【学习目标】了解噪音污染，提高环保意识。【预习案】一、 先回答1a的两个问题再读1a 二、读1a，完成1b 三、 在文中找到并划出下面的短语1.在午夜播放高分贝的摇滚乐_2.烧木材，天然气，石油和煤_3.用风力发电_4.课下大声地讨论_5.课下大声地交谈_6.在今天的世界_7.一种污染_8.对人们的健康有害_9.工作和生活在噪声的状况下_10.容易失聪_11.印刷报纸_12.相当多的人_13.丧失听力_14.和65岁的人一样差_ 15.听高分贝的流行音乐_16.在公共场合制造大的噪声_1
2、7.打扰他人_18.对人的听力有很大的伤害_19.感到不舒服和不愉悦_20.become sick or deaf_21.尽力解决_22.所有的环境问题_23.包括噪音污染_24.一个合适的标题_25.住在机场附近_26.到处扔垃圾_27.紧挨着一条繁华的街道居住_28.在锯木厂工作_29.污染的坏作用_30. the same meaning_【探究案】 在文中划出下面的句子并分析1.However, not all people know that noise is also a kind of pollution and is harmful to humans health.译：_点拨
3、：not all - 不是所有的都(部分否定)练习： Not all people are interested in English. 译：_总结：not与all, every以及every的派生词连用时表示部分否定。练习：a) Not everybody likes watching TV. 译：_ b) Not everything you did was right. 译：_拓展：neither, none, nothing, nobody, no one等，则表示全部否定。练习：a) Neither of the students likes music. 译：_ b) I thin
4、k nothing is difficult for me. 译：_ c) 在我们周围没有哪个人喜欢“小皇帝”。译：_点拨：be harmful to sb. / sth. - 对某人/物有害 练习：a. Reading in the poor light is harmful to eyes. 译：_ b. 熬夜对健康有害。译：_2.Rcently, it is reported that many teenagers in America can hear no better than 65-year-old people do, because these young people al
5、ways listen to loud pop music. 译：_点拨：It is reported that-据报道 (后接 从句) 链接：据说_点拨：no better than和（几乎）一样坏/差 = almost as bad/badly as练习：a)His English is no better than yours. 译：_ b)Lucy did no better than Lily (did) in the exam.= Lucy did _ _ _Lily (did) in the exam.3.It not only disturbs others but also
6、does great harm to peoples hearing. 译：_点拨：do harm to sb. / sth. = be harmful to sb./sth. - 对某人/某物有害 拓展：harm还可以作动词：harm sb./sth. - 伤害某人/某物练习：1)His words did harm to his mother. 译：_ 2) Littering around harms the environment. 译：_ 巩固：a.化学制品对环境有害。译：a)动词_b)形容词_c)名词_b.吃油炸食品对健康有害。译：a)动词_b)形容词_c)名词_【归纳】I. 汉译
7、英1. 我不喜欢牛奶，但是他强迫我喝。 I dont like milk, but he _ me _ it.2. 节约用水是我们的职责。 Its _ to save water. 3. 世界将变得越来越美丽。 The world will become _ beautiful. 4. 从现在开始，我会努力学习的。 I will study hard _.5. 据报道，在美国有时黑人在晚会上会被枪杀。 _ the negroes are killed at the evening party in America sometimes. II. 选用下列单词并用其适当形式填空 relation,
8、 produce, walk, play, chest, once, influence, so, live, cancer 1. _ you are interested in playing computer games, you will have trouble giving it up.2. The boy is _ young that he cant look after himself. 3. He is used to _ to school.4. I think its a wonderful place _ in. 5. You can enjoy _, concerts and operas every day if you like. 6. The chemical factory has _ terrible gas. It should be far away from the center of the city. 7. I didnt sleep well last night because my _ hurt badly. 8. T
