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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语、谓语或其它句子成分。例如How cold （ it is ） ！ What a good girl！ What delicious fish
2 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 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 business.
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 being, people's 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 won't study well or get enough 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 + complement\n 动词+宾语+补语\n
Unit4 Topic 2 When was it developed?
1 Because I'm not allowed to play computer games. be not allowed to do sth. 不被允许做某事
2 It's bad for your health if you spend too much time on them. be bad for sth. 对某事有坏处
3 It's 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 It's 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 used 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'.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 haven't 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 are 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 masters.
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 and the stars could be seen．
23 To his surprise, when he was using the cellphone, he was caught by the police. To one’s 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 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 won't believe there are aliens until I see them with my own eyes. not…until直到…才
4 However, you should learn a lot and master some basic skills.基础技能
5 Yes, I'm sure I can perform ballet on 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A
7 Let's 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 do 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 Scientists are searching for more information about Mars. search for寻找
15 This film is based on a fiction. be based on…以…为基础
16 A scientist and inventor decides to prove that time travel is possible. decide to do sth. 决定做某事
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