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1、M5 U2 The environment【学习目标】1. To help Ss grasp some usages of important words .2. To make Ss understand some difficult sentence structures.3. To help Ss improve the ability of using the words, phrases in the context.【课前预习】： 1.Transform the following economy _(adj.) consult_ (n.顾问) produce _ (n.) gre
2、edy_ (n.) responsible_(n.) believe_ (n.) operate _ (n.) willing _ (ant.) _(n.) arrive _ (n.) legal _ (ant.) increase _ (ant.) impress _ (n.) _(adj.) 2. Preview the usages of words individually.I. Vocabulary1.Complete the following phrases市场经济 market _ 在争论中 under _ 流程图 _chart 值班 on _ 承担责任 _ 可循环使用的材料_
3、material 难以置信 beyond _ 对.动手术_ on 信用卡 _card 大量的 a large _of 愿意做 be _to所得税 income_水泵 water_使某人铭记某事_sth on sb. 拍手 _hands 经济危机_crisis 和.冲突 in_ with有效措施 effective_ 大量涌入 _in一系列 a_ of范围从.到. _from.to能源节约 energy _对.挑剔 be _about专注于 be _inII. The usage of key words Differentiate the following and complete the
4、exercises1) cut back on 减少;削减;缩减 cut across 抄近路 cut down砍倒 cut in 插话 cut off切断（电源、水源；联系） cut out 删除; 裁剪 cut up切碎；使伤心c. The roads had been_ by the snowstorm.d. The news that he failed the math quiz _him badly.e. We can gain some time if we _this field.f. You should _ the unimportant details to make i
5、t brief.2).quantity n. “数量”，可修饰名词C/U, 但要注意以下用法: a quantity of +n.+v, 的单、复数由所修饰的名词决定quantities of+n.+v., 只用复数；不考虑名词的性质amount n.“数量，总数”， 一般只修饰可数名词，但要注意以下用法:an amount of +n.U+ v. , 用单数amounts of +n.+v., 只用复数plenty of +n.C/U +v. ，其单、复数由所修饰的名词决定a great deal of +n.U +v. , 用单数a. A small quantity of water _
6、(be) left in the bottle when he returned.b. Quantities of food _(be) on the table before the party began.c. The quantity of things we produce _(be) supposed to be cut back on.d. _ of poison in the accident were poured into the fields. A. Plenty B. A great deal C. A quantity D. Amounts 3).use up =run
7、 out of vt. 用完；耗尽run out vi. 被用完（=give out）Sb./Sth. be exhausted 某人筋疲力尽/某物被耗尽a. He used up his strength= He _ _ his strength.=His strength _ _.b. My legs completely gave out=My legs _ completely _(exhaust).c. Our petrol ran out on the way.= We _ _ our petrol on the way.4) economic adj.经济的economical
8、adj. 节俭的；经济的； electric adj. 电的；电动的 electrical adj. 与电有关的；电气科学的 historic adj. 有历史意义的；历史上重要的 historical adj. 史学的；历史的试完成：a. Learn to be_even if we have no_problems.(economic, economical)b.He is an _ engineer and he drives an_ car. .( electric, electrical)c.The Hangzhou G20Summitcanbe_startingpointforth
9、eworld. (historic, historical ) III.Language points1. The worlds population has grown by six times what it was in 1800.(p.22,line 19-20).与1800年的人口相比，世界人口数量已经增长了六倍。1) 倍数+ what 引导的名词性从句 n. +that 引导的定语从句 原句=The worlds population has grown by six times the number _it was in 1800. 2） 几种倍数表达法： 试翻译：这栋楼比原来的
10、大四倍。a. This building is four times _ big _ the old one.b. This building is three times bigger _ the old one.c. This building is four times _ _ _ of the old time.d. This building is four times_ it used to be.e. This building is four times the size _ it used to be.2. It is clear that you are very conc
11、erned about the present situation of our environment.(p.23,lines 28-29)1) be concerned about/with/for/over关心raise /arouse concern about 引起关注2) concerning 介词，“关于，涉及”You heard nothing concerning this matter, did you?For more information concerning the club, contact Mr. White.用concern的恰当形式填空：a.There is
12、 a column in China Daily _ language study.b.As living condition improves, people begin to raise more _ about environment protection. .c.We should be _ for our mental well-being.d.As far as I am _, its impossible to get there on time.e.Your mother was very _ about you .You shouldnt have arrived at ho
13、me so late.3. When people think of factories, they think of clouds of dirty smoke or of pipes pouring chemical waste into rivers.(P.23,line 30-31)1) 结构分析; 该句为复合句， 前半句为_从句，后半句为主句。主句谓语动词think of ，接两个宾语，第二个宾语pipes接pouring 作补语，表示_。2) 介词的复合结构：介词+宾语+动名词（ 主动doing,被动being done）试完成：a. Do you like the idea of Jack _(live0 with us?b. They think of greedy businessmen _(hide) from their responsibility and only_(worry) about money.c. The noise of desks _
