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1、1Unit 4 Topic 2(复习) 1 Well be able to do anything that can be done on earth .划线部分是一 个_ 语从句，修饰先行词 anything ，定语从句的谓语动词 can be done 是含有_ 词的被动语态。其结构是：_练习：a.这些树明天必须被栽种。These trees _ _ _ tomorrow.c.下课后应该擦黑板。The blackboard _ _ _ after class.2 We will be able to do anything that can be done on earth .翻译 。be
2、 able to 与 can : 二者意义相当，都表示 “能”，有时可互换 can 没有将来时和完成时，因此在 shall ,will, have 等后，用 be able to 二者不能重叠使用1） 我就要会开车了。 I _drive a car .2） 她会做饭。 She _ _ = She _ _ 3 I really admire them. 译： _拓展：admire sb. for (doing )ash.羡慕某人（做）某事 1)We admired _ abroad.我们羡慕他出过国。4 Have you heard the news on TV:在电视中，通过电视拓展：on t
3、he phone_ _, on line_, on the radio 通过收音机，从广播中on the Internet_2)We can learn English _.（通过收音机）5. They are reading information on the Internet in order to learn about human culture. 译:_ 点拨：in order to (do) - 为了 (后接目的状语)，否定形式 - in order not to (do)链接：so that - 为了 (后接目的状语从句)练习：1.过去为了赚钱他们什么都肯做。They did
4、anything _ _ _ _ _ in the past.2.为了通过考试，他每天学习十多个小时。_ _ _ _ fail the exam, he studied _ _ _ _ _ every day.3.为了能赶上早班车今天早上他起床很早。He _ _ early _ _ he _ _ the early bus this morning.4.为了提高口语他去年去了英国。He went to England last year _ _ _ _her_ English.6 I dont think aliens can be found in space. 译：_点拨: 主语(第一人称
5、)+think/suppose/believe/imagine/expect，后面宾语从句中的否定词 not 要前移到主句，即否定前移 . 当句子主语是第二,三人称,否定式一般不前 移.a.我相信他不会回来。I _ _he _ _backb.我认为明天不会下雨。I _ _ it _ _ tomorrow. c 他相信他的学生这次考试不会失败。He _ his students wont fail the exam .7. I wont believe there are aliens until I see them with my own eyes. 译：_点拨: notuntil - 直到
6、才(until 引导了时间状语从句)，从句中要遵循-主将从现的原则对比：until 和 notuntil 分析：a. They kept waiting for her until she came back. 译： _b. They didnt leave until she came back. 译：_总结：until前面主句的谓语动词是_; notuntil前面主句的谓语动词是_1.昨天晚上直到完成作业我才睡觉。I _ go to bed _ I _ my homework last night.2.明天我会一直等到你回来。I will _ _ you _ you _ back tomo
7、rrow8 .I prefer science to dance. 点拨：prefer - 更喜欢= likebetter 总结：a. prefer sth.to sth. 和 比较起来更喜欢b. prefer doing sth. to doing sth. - 和做某事比起来更喜欢做某事 c. prefer to do sth - 更喜欢做某事( 一时性的) d. prefer doing sth. - 更喜欢做某事( 长久性的)b.和游泳比起来我更喜欢滑冰。I prefer _ _ _.c.他更喜欢和我一起去打篮球。He _ _ _ basketball with me. .9 It h
8、as been two days since we landed on Mars . 同义句：It _two days _ we landed on Mars.“ it ”用作主语谈论时间，常与 “since”连用，译“自从.到现在已经多长时间了 ”，常用的结构：It has been + 一段时间 + since + 一般过去时从句 :It is + 一段时间 + since + 一般过去时从句时间 + has passed since练习：a.自我们上次上街购物已经是两个月了。It _ _ two months _ we _ shopping.b.他父亲死了十年了。It _ ten yea
9、rs _ his father _.同义句 a. His father _ ten years _. =His father _ _ _ for ten years.(1)自从我们来到我们学校已经三年多了。 _three years since_ .10 Its diameter is 53 as wide as that of the earth. 译：_ 点拨：as形容词/副词原级as 名词 - 像一样 思考：句中 that 指代_, 如果前面的名词是复数，用_指代 练习：a.我们学校像花园一样美。Our school is _ _ _ a park.b.Tom 和 Mike 跑得一样快。
10、Tom _ _ _ _ Mike.c.美国的人口没有中国多。The population in America _ _ _ _ _ in China.d.城市的楼比农村的高。The buildings in the city _ _than _ in the country.11.The gravity on the surface of Mars is about two-fifths as strong as it is on earth. 译：_点拨：倍数词/分数/百分数as 形容词或副词原级as - 是的几倍/ 几分之几/百分之几 2a.这个盒子是那个盒子的四倍重。 This box
11、is _ _ _ _ _ that box.b.这个房间是那个房间的三分之一大。This room is _ _ _ _ _ that room.(1)The students in our school are twice _ many_ those in yours.我们学校里的学生是你们学校里的学生的两倍。(2) The river is _ _ _ _ _ that one .这条河是那条河的 3 倍长。 (3)The weather in Bei jing _ _ _ _ that in Wuhan.北京的天气没有武汉的天气热。( )The diameter of the earth
12、 is nearly _ that of Mars.A. twice as long as B. as twice long as C. long as twice as D. as long as twice12. Mars goes around the sun at a distance of about 228 million kilometers. 译：_点拨: at a distance of -相隔 拓展：at/from a distance - 在远处 练习：a. Put the stone at a distance of about twenty meters . 译：_b. The police followed him at a distance. 译：_(1)我将在离我们学校 100 米的地方等你。I will wait for you _ from our school.(2)他的妈妈远远地跟着他。His mother followed him _ 13 .Sc
