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2017春人教版英语必修三课件:unit 4 astronomy:the science section 3 .ppt

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1、,Astronomy:the science of the stars,Unit 4,Section Using Language,栏目导航,.Read the text and choose the best answer according to the text.1The passage is mainly about _.Athe introduction of the moonBthe gravity that the writer felt on their way to the moonCthe writers visit to the moonDthe writers frie

2、nd Li Yanping,an astronomer答案:C,2Why were they pushed back into their seats when they were going up?ABecause their spaceship was too heavy.BBecause they were pulled by the moons gravity.CBecause their spaceship traveled too fast.DBecause they were trying to escape the pull of the earths gravity.答案:D

3、,3How did the writer feel after the trip into space?APuzzled and bored.BShocked but disappointed.CExhausted but excited.DExhausted and disappointed.答案:C,4From the passage,we can learn that _.Ait was the first time that the writer had visited the moonBthe writer became taller and fatter on the moonCt

4、he writer was too frightened to speakDwalking on the moon was very easy答案:A,5From the passage we can know if a man grows up on the moon,_.Ahe will grow tallerBhe will grow shorterChe will become fatterDhe will become heavier答案:A,.Fill in the blanks in the following passage according to the text.Last

5、 month,Li Yanping and I made a trip to the moon 1._ a spaceship. Li told me that the gravity force would change three times. First,2._ we escaped the pull of the earths gravity,we were 3._ (push) back into our seats. Closer to the moon,there was 4._ (little) gravity. I 5._ (cheer) up immediately and

6、 floated 6._ (weight) around in our spaceship cabin. On the moon,my weight was less than on the earth. Walking 7._ (do) need a bit of practice now that gravity had changed. After a while I got the hang 8._ it and we began to enjoy 9._ (our). But returning to the earth was very 10._ (frighten). We wa

7、tched,amazed as fire broke out on the outside of the spaceship.,in,when,pushed,less,cheered,weightlessly,did,of,ourselves,frightening,考点一单词点击,He gave a strong pull at the rope.他用力拉了拉绳子。(2)vt.拉,牵,扯(反义词:push)They managed to pull the machine inside the room.他们用力把机器拖进了屋里。,pull down拆毁pull in/into进站停靠;驶向路

8、边(或某处)停靠pull out离开,脱离;离站,(使)摆脱困境;拔出pull through渡过难关,度过危机;使恢复健康pull up停车,停住,单句语法填空。(1)Houses were split and collapsed,but we can build them again. So long as people are alive,we can still pull _ and conquer the major natural disaster.解析:句意:房子裂了、塌了,我们还可以再修。只要人在,我们就一定能够渡过难关,战胜这场重大自然灾害。(2)I do not know

9、whether the bronze statue of Pushkin erected in the corner of Shanghai street would suffer from the destiny of being destroyed and pulled _ again. 解析:句意:我不知道上海街头的这尊普希金铜像还会不会再遭到破坏和摧毁的命运。句中pull down 意为“摧毁,推翻”。,through,down,Point mass n.(1)C 质量;团;块;大量,a mass of/masses of大量的,许多的(后跟可数名词复数或不可数名词)in a mass

10、大量地,大批地,(2)群众;团体(pl.),from the masses to the masses从群众中来,到群众中去,masses,考点二短语诠释,cheer for为加油cheer sb. on为某人加油cheer team拉拉队,单句语法填空。(1)We couldnt help _ (cheer) up when we learned the news that he had been made captain.解析:句意:当我们听到他被选为队长的消息,我们禁不住欢呼起来。单句改错。(2)They gathered round the swimming pool and chee

11、red her up.,on,cheering,now that 用作连词,与since 同义,其中that 可以省略。,单句改错。(1)My daughter and I like to go to the movies; while she used to like them all before,she is much pickier since now that she is four.解析:句意:我和我的女儿都喜欢去电影院看电影;虽然她过去对电影的内容毫不讲究,不过现在却挑剔了许多,因为她已经四岁了。now that 同since。 本题的错误是连词重叠使用。,(2)Now that

12、 you put your hand to the work,and you should do your utmost to finish it.解析:句意:既然你已经着手这项工作了,那就应该尽力完成它。now that 起连词作用,相当于since; and 也是连词。一个句子有两个连词而无主语,因此,应去掉and。,单句改错。(1)Cholera has been broken out in several nations in Southern Africa and has been blamed on sewage pollution in Angola.解析:句意:非洲南部的几个国

13、家暴发了霍乱,原因可能是由于安哥拉的下水道污染。break out 是不及物动词短语,不可用被动语态。(2)After breaking down from the guards,the thief ran into the woods and disappeared.解析: 句意:脱离警卫后,小偷跑进了树林,消失了。,away,watch out for密切注意,留意(某人或某物)watch over看守;照顾keep a close watch on密切注视on watch值班,单句语法填空。(1)In the process,the judges have been keeping a

14、close watch _ situation of the game.解析:句意:在整个比赛过程中,裁判们一直密切地注视着比赛的情况。(2)The shepherd who is watching _ the sheep is a kind old man.解析:句意:照看羊群的牧羊人是一位善良的老人。,on,over,考点三句型归纳,much,that,now that/because/since/as/for(1)now that说明已经成为事实的原因,常意为“既然”。(2)because语气最强,常用于回答why引起的问句,表示直接的或为人所不知的原因。(3)since表示间接附带的众

15、所周知的原因,意为“既然”,常放在句首。(4)as表示一种明显的、已知的理由,意为“由于”。(5)for是并列连词,表示推断的或附加的理由,是对已发生情况的补充说明,不表直接的原因,语气较弱。,单句语法填空。(1)Learning English well _ need a lot of practice just like learning anything else.(2)You may not know this but our children _ enjoy hanging out with us once in a while,especially when we treat them with respect and love.解析:句意:你也许不知道,但是我们的孩子的确喜欢过一段时间和我们出去玩一次,尤其是我们尊重他们,关爱他们的时候。,does,do,单句改错。(3)Now that you are ready,so we can go now.(4)It must have rained last night because the ground is wet.,for,制作者:状元桥,适用对象:高一学生,制作软件:Powerpoint2003、 Photoshop cs3,运行环境:WindowsXP以上操作系统,

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