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1、UNIT 4 Amazing Science Topic 1 Spaceships are mainly controlled by computers.1 Look! What a beautiful goddess! 感叹句型 一、用 what 引导的感叹句有三种句式，此时， what 为形容词，用作定语，修饰它后面的名词或名词词组。（1）What +a / an + 形容词可数名词单数主语谓语！What a fine day it is！ （多么好的天气啊！）（2）What + 形容词可数名词复数形式主语谓语！例如：What good teachers they are！ （他们是多么好
2、的老师啊！）（3）What + 形容词不可数名词主语谓语！例如：What round bread it is！ （这是一块多么圆的面包啊！）二、用 how 开头的感叹句也有三种句式，此时， how 是副词，用作状语，修饰后面的形容词、副词或动词。（4）. How 形容词主语谓语！例如：How hot it is today！ （今天天气多热啊！）（5）. How 副词主语谓语！例如How hard he works！ （他工作多么努力啊！）（6）. How + 主语谓语！例如：How she dances！ （她跳舞跳得多好啊！）注意： what 和 how 引起的感叹句，在口语中常可以省略主
3、语、谓语或其它句子成分。例如How cold （ it is ） ！ What a good girl！ What delicious fish2 It shows we have dreamed of exploring space for thousands of 成千上万years. hundreds of, millions of, billons of 用法一致3 In 2003, he traveled around the earth绕着地球转 in Shenzhou V for 21 hours.4 Oh, Kangkang, what a large crowd! 感叹句5
4、Why not go and see? Why not do sth. 为什么不做某事6 I think you can achieve your dream in the future.实现梦想7 The whole flight lasted about five days.持续8 So I advise you to study harder to make computers serve us better. serve sb.为某人服务9 There is no doubt毫无疑问 that computers are very useful in technology and bu
5、siness.10 In space, computers help astronauts宇航员 and pilots飞行员.11 With the help of computers在帮助下, doctors can find diseases easily and solve other problems.12 In factories, robots controlled by computers can do work that is dangerous to humans.be dangerous to sb.对某人很危险13 Since the Internet came into
6、 being, peoples lives at home have changed, too.出现14 Thanks to幸亏 the Internet, people can do shopping and do business at home.15 Instead of代替 writing letters on paper, people communicate by sending e-mails and chatting on line.网上聊天16 If we play computer games too much, we wont study well or get enou
7、gh exercise. 条件状语从句 17 First, turn on打开 your computer and connect to连接 the Internet.18 Verb + object + complementn动词+宾语+补语n Unit4 Topic 2 When was it developed?1 Because Im not allowed to play computer games. be not allowed to do sth. 不被允许做某事2 Its bad for your health if you spend too much time on th
8、em. be bad for sth. 对某事有坏处3 Its made of wood. be made of sth. 由做成，看的出原材料4 Do you know what a rocket is used for? be used for doing sth. 用来做什么的 Its used for sending satellites or spaceships into space.5 I wish I could go into space some day. 虚拟语气6 I hope your dream will come true.实现7 It is widely use
9、d in our daily life.日常生活8 She was created in Scotland a few years ago.9 So far迄今为止, scientists have cloned rabbits, sheep, cows, mice, pigs and some other animals.10 As you know, there is DNA in most living things, including包括 human beings.11 You have your own DNA, but it is similar to your parents.
10、be similar to sth./sb. 与某人或某物相近，相似12 What will our future be like?13 No one knows for certain确切, but most people think that robots will be part of our lives.14 So far, robots havent caused us any problems. cause sb. problems 给某人造成麻烦15 They work for为某人工作 us like servants all the time总是，一直.16 People a
11、re surprised at the rapid development of robots.be surprised at sth. 对某事感到很惊讶17 However, once一旦 robots can think for themselves, problems may appear.18 One scientist warns that if robots start to think for themselves，start to do sth. 开始做某事they will no longer不再 want to be our servants, but our master
12、s.19 they might treat us as we now treat our pets. treat sb. as sth. 把某人当作来对待20 It has made a great contribution to humans health. make contribution to向做出贡献 21 But it also has some bad effects on our health. have bad effect on对有坏影响22 This method worked well at night as long as只要 the weather was good
13、 and the stars could be seen23 To his surprise, when he was using the cellphone, he was caught by the police. To ones surprise使某人惊讶的是24 In shor简而言之t, this robot is very useful to us.be useful to sb. 对某人而言很有用Unit4 Topic 3 We will live in space one day.1 Really? Kangkang, do you think people will live
14、 on Mars in the future?在将来2 We will be able to do anything that can be done on the earth. be able to do sth. 有能力做某事3 I wont believe there are aliens until I see them with my own eyes. notuntil直到才4 However, you should learn a lot and master some basic skills.基础技能5 Yes, Im sure I can perform ballet on
15、 the stage in the future. 在舞台上6 But I prefer science to dance. Prefer A to B 比起B，更喜欢A7 Lets work hard to make our dreams come true. make dream come true让梦想实现8 Take it easy.She will be well taken care of her grandmother. Take it easy放松9 It took us more than two years to get here. take time/money to d
16、o sth. 花费钱或某事做某事10 Generally, the journey went well. 一般说来11 But the living conditions居住条件 were quite bad during the journey.12 It is reported that据报道 China plans to take part in an international flight to explore Mars.plan to do sth. 计划做某事13 and is named after Mars,the Roman god of war. be named after 以命名14 Scie
