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1、Unit 4 Astronomy : the science of the stars,必修 3,考点要求,.写出下列必考单词 1.大气层n. _ 2.乘，增加v. _ 3人造卫星n. _ 4.不同，不像prep. _ 5.气候n. _ 6.地心引力；重力n. _ 7.理论n. _ 8.碰撞，坠落v. _ 9.宇宙飞船n. _ 10.拉力，拖，牵引力n.v. _,atmosphere multiply satellite unlike climate gravity theory crash spaceship pull,11.基本的，基础的adj. _ 12.链子，锁链n. _ 13.天文学
2、n. _ 14.原子n. _,fundamental chain astronomy atom,.写出下列单词的变化形式 1.系统(n.)_；系统的(adj.) _ 2.球体，地球(n.)_；全球性的(adj.) _ 3.猛烈的(adj.)_；暴力(n.) _；猛烈地(adv.)_ 4.生存(v.)_；生存(n.) _ 5.物理学家(n.)_；物理(n.) _；身体的(adj.)_,physical,system,systematic,globe,global,violent,violence,violently,exist,existence,physicist,physics,6.生物学(
3、n.)_；生物学家(n.) _ 7.宗教（n.）_；宗教的（adj.）_ 8.原子（n.）_；原子的（adj.）_,biology,biologist,religion,religious,atom,atomic,活学活用 用所给单词的适当形式填空。 1.The treatment they gave him did him more_ than good，though the doctor insisted it was _. (harm) 2.Air _everywhere and its _ makes it possible for us to live on. (exist) 3.H
4、e is very _.For example，the lifting device he made is a _ of ropes and pulleys. (system) 4.A _tour means traveling all around the _ . (globe),5.The use of _against the attackers led to more _ clashes. (violently) 6.She was a _woman who wouldn，t hurt an ant. (gently),答案：1.harm； harmless 2.exists；exis
5、tence 3.systematic，system 4.global；globe 5.violence；violent 6.gentle,.翻译下列必背短语 1.及时，终于 _ 2.下蛋 _ 3.高兴,振奋 _ 4.产生，分娩 _ 5.轮到某人 _ 6.爆发 _ 7.阻止 _ 8.既然 _ 9.以为起点 _ 10.四面八方 _,in time lay eggs cheer up give birth to in one，s turn break out prevent.from now that begin with in all direction,11.冷却 _ 12.掌握的技巧/诀窍 _
6、 13.在表面 _ 14.密切注视，当心 _,cool down get the hang of on one，s/the surface watch out,活学活用 根据括号中的解释，用适当的短语完成句子。 1.We got to Washington _(sufficiently early so as not to be late) for the cherry blossoms. 2.He _(filled with gladness，hope) at the thought of seeing his girl friend again. 3.When you _ this new
7、 machine，it will help you a lot. (know the skill of) 4._!(be on one，s guard; keep looking out for possible trouble) There，s a car coming! 5.SARS _ in 2002 and quite a few people died of it. (happen suddenly),6.Marx，s ideas _(produce young) communism. 7.Your prompt action _(stop or hinder sb./sth.) a
8、 serious accident.,答案：1.in time2.cheered up3.get the hang of 4.Watch out5.broke out6.gave birth to7.prevente,multiply exist prevent puzzle block crash cheer float exhaust watch,.单元重点动词,活学活用 用上述动词的适当形式填空。 1._very fast，rabbits soon became the largest family of all the animals in this woods. 2._ at the
9、 _ result，he stood there，not knowing what to do.,3.There is no need _ yourself clearing upwe，ll do it ourselves. 4.Does life _ on other planets? 5.Many roads _after today，s heavy snow，so you，d better not go out. 6.It was reported that a plane _ soon after it took off，causing 10 deaths.,答案：1.Multiply
10、ing 2.Puzzled；puzzling3.to exhaust 4.exist 5.are blocked 6.crashed,.重点句型 1.It was not immediately obvious that water was to be fundamental to the development of life.(P26) 水会对于生命的发展起关键作用，这一点在当时并不明显。 It is/was obvious that.“很明显” 剖析：It is adj.that.在本句中，it 是形式主语，that引导的从句作真正的主语。it做形式主语时，后面的真正主语可以由不定式，动
11、名词或从句充当。如： It is easier to break down friendship than to build up friendship. 破坏友谊比建立友谊要容易。 It was amazing that the child could speak English so well. 那个孩子的英语说得如此好真是令人惊异。,活学活用 模仿造句。 (1)很明显，我们在这里是非常受欢迎的。 _ that we are very welcome here. (2)你现在不方便见我的经理。 _ (3)对着洒了的牛奶哭泣是没有用的。 _ ,答案：（1）It is obvious （2）It，s not convenient for you to see my manager now. （3）It，s no use crying over spilt milk.,2This made it possible for life to begin to develop.（P26） 这就使得生命开始进化成为可能。 it作形式宾语的句型是：主语动词it形容词/名词不定式/从句或动名词。 活学活用 模仿造句。 （1） 这使我难以控制自己。 This made _
