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1、 世纪金榜 圆您梦想 第 1 页（共 8 页） 山东世纪金榜科教文化股份有限公司2014 高考考前争分必备导学案：Unit4 Astronomy The science of the stars（人教版，必修三）范文赏析与背诵你班就你班就“是否应该花费巨大的人力、物力和财力进行太空探索是否应该花费巨大的人力、物力和财力进行太空探索”进行了讨论。进行了讨论。1. 有些人认为太空探索完全是浪费时间和金钱。理由是收效甚微、花费巨大。有些人认为太空探索完全是浪费时间和金钱。理由是收效甚微、花费巨大。2. 但大多数同学认为进行太空探索利大于弊，许多新产品，如气象、通讯卫星都直接但大多数同学认为进行太空探
2、索利大于弊，许多新产品，如气象、通讯卫星都直接得益于太空研究，使全球受益匪浅。得益于太空研究，使全球受益匪浅。3. 你的观点你的观点-Do we need space exploration?Man has been fascinated by outer space for thousands of years. It has been over forty years since mans first landing on the room. Now some people believe that space exploration is a waste of time and mone
3、y. They point out the fact that it cost billions of dollars to carry on the space research, but a little information has brought back.However, every coin has two sides. There are still a majority of other people who believe that space exploration has more disadvantages. And I agree with those people
4、. Many new products, such as weather and communication satellites, are also products of space programs, and the have benefited people all over the world. And whats more, scientific knowledge about outer space has been acquired by mankind.We believed that it will bring more benefits in the future, wh
5、ich we cannot even imagine now. Space exploration is challenge o human beings. Thats why several nations try hard to carry out space exploration continuously.单元知识必备核心考点： in time 3 年 1 考 prevent-from3 年 1 考 make+宾语+宾补 3 年 3 考 倍数 3 年 2 考1unlike prep.不同 adj 不同的；不相似的Something like 几分像几分像-Its like/unlike
6、 sth. 做某事实在像做某事实在像/不像某人不像某人 dislike vt 不喜欢，讨不喜欢，讨厌厌1). There was something like 500 people in the audience.世纪金榜 圆您梦想 第 2 页（共 8 页） 山东世纪金榜科教文化股份有限公司2). Unlike other gifts, it came without wrap.3). Its unlike him to be late; hes usually on time.4). She dislikes his way of speaking.2exist Vi 存在；生存1). Ma
7、n cant exist without air.2). There exist many sources of energy.3). When did the world come into existence?Guess：They exist on very little money.3. puzzle n 谜；难题 vt/vi（使）迷惑1). Their reason for doing it is still a puzzle to me.2). But his curiosity was difficult to control and this new computer reall
8、y puzzled him.3). Im in a puzzle as to what to do next.4). I saw him puzzle over a match problem.5). He puzzled (his brain) all day over the problem, but didnt solve it.4pull n. vt.拉（力）；拖；牵引力1). I felt a pull at my sleeve and turned around.2). He will pull through his illness soon.3). They have mana
9、ged to pull down the old building.4). The train pulled in and all the passengers got off.Guess: Who can resist the pull of her charm?归纳：归纳：pull down 拆毁；拆掉（房屋等）拆毁；拆掉（房屋等） pull in （列车等）驶进、到站；（船）靠岸（列车等）驶进、到站；（船）靠岸 pull through 恢复（健康）；（使）渡过难关恢复（健康）；（使）渡过难关 拓展：推拓展：推 push 拉拉 pull5in time 及时；终于1）He might g
10、et here in time, but I cant be sure.2) If you keep on, you will succeed in time.拓展：拓展：on time 准时准时 at a time 每次；逐一每次；逐一 from time to time 有时；偶尔有时；偶尔 in no time 立刻；马立刻；马上上 time and time again 一次又一次；一再一次又一次；一再6prevent -from- 阻止；制止世纪金榜 圆您梦想 第 3 页（共 8 页） 山东世纪金榜科教文化股份有限公司1) Guards stood at the door to pr
11、event anyone from leaving.2) His advice kept me from making a serious mistake.3) Once he has made up his mind, no one can prevent him from carrying out the plan.7cheer up 感到高兴；感到振奋1) Feeling blue about the world? Cheer up.2) The audience stood up to cheer on their team, the Vancouver Canucks.3) The
12、news cheered him up.8now that 既然 （口语中可省略 that，这时 that 失去了“现在”的含义）since1) Now that you have finished your work, youd better have a rest.2) Now (that) the weather is fine, lets go for a ride.3) Now (that) you have grown up, you can make up you mind by yourself.4) Now that Ive seen how he lives, I know
13、 why he needs so much money.9. break out 突发；爆发1) Should another world war break out, what would become of human being?2) The thought made him break out in a cold sweat.拓展：拓展：break away from 脱离（党派）；摆脱（控制）脱离（党派）；摆脱（控制） break down 毁掉；坏掉；（计划、谈毁掉；坏掉；（计划、谈判判 0 失败失败 break up 打碎；拆散；（会议）结束；分裂（解体）打碎；拆散；（会议）结束
14、；分裂（解体） break off （使）停止；中断；（使）停止；中断；折断折断 break into 强行进入（某处）强行进入（某处）.重点句型详解重点句型详解1. This produced a chain reaction, which made it possible for life to develop.这就形成一个连锁反这就形成一个连锁反应，使生命发展成为可能。应，使生命发展成为可能。make+宾语宾语+宾语补足语（名词或形容词宾语补足语（名词或形容词/不带不带 to 的不定式的不定式/过去分词过去分词/介词短语）介词短语）1）Insects would make it impo
15、ssible for us to live in the world.2）Spaceships make it possible to travel to the moon.3）New technologies have made it possible to turn out new products faster and at a lower cost.拓展：注意下列句子中拓展：注意下列句子中 it 的用法：的用法：1) I hate it when people speak with their mouths full.我不喜欢人们说话时嘴里有满满的东西。我不喜欢人们说话时嘴里有满满的东西。世纪金榜 圆您梦想 第 4 页（共 8 页） 山东世纪金榜科教文化股份有限公司2) It is/was the序数词序数
