unit3 ComputersWord文档下载推荐.docx

1、 开关; 按钮”。 the controls of an aircraft飞机的操纵装置; The co-pilot was at the controls when the plane landed. 副驾驶员操纵着飞机着陆。expensive 昂贵的; 价格高的1. Art books are expensive to produce. 美术书籍制作成本高。2. I cant afford it. Its too expensive 我买不起, 太贵了。【总结】expensive是形容词, 意为 “昂贵的; 价格高的”, 如例l和例2。【拓展】expensive的反义词是cheap, 意为

2、 “便宜的; 廉价的”。 Personal computers are now cheap and getting cheaper later.个人电脑现在价格便宜, 以后还会更便宜。depend 依靠; 依赖1. Lily depends on her parents very much.莉莉很依赖她的父母。2. Jim knew he could depend upon his father to deal with the situation.吉姆知道他可以依靠爸爸来应付这种局面。3- Is he coming? - That depends. He may not have the t

3、ime. - 他来吗? - 那要看情况。他不一定有时间。【总结】depend作动词, 意为 “依靠; 依赖”, 常和on 或 upon搭配, 如例1和例2。【拓展】depend常用的结构: that depends / it （all） depends, 意为 “那得看情况”, 如例3。句型导航Sentence guide1. In addition, computers can do important jobs like operating railways and flying planes and spaceships.另外, 电脑能做重要的工作, 例如: 操控铁路、操纵飞机和太空船。

4、【解析】此句中, like用作介词, 意为 “比如; 例如”。 I love to read novels written by Mark Twain like Adventures of Huckleberry Finn and TheAdventures of Torn Sawyer.我喜欢读马克吐温写的小说, 比如哈克贝利费恩历险记和汤姆索亚历险记。2. What will happen to us if computers can do all our jobs? 如果电脑可以做我们所有的工作, 我们会怎么样呢?【解析】在此句中, if用作连词, 意为 “假如; 如果”, 引导条件状话

5、从句。If he improved his IT skills, hed easily get a job.他如果提高了自己的信息技术技能, 就会容易找到工作。Structure imitation 句式仿写1. You may be unaware of them. 你可能没有觉察到它们。【解析】be unaware of意为 “不知道; 没意识到; 未察觉”。He was completely unaware of the whole affair.他对整件事情一无所知。2. However, one day computers may be able to do a better job

6、 than human beings.然而, 有一天, 电脑可能有能力把工作做得比人类更好。【解析】be able to意为 “有能力做; 会做”。You must be able to speak French for this job.干这项工作你得会说法语。1. work as 从事工作2. （be） unaware of 没意识到; 未察觉3. depend on 依靠4. at a faster speed 以更快的速度5. in addition 除以外 （还）6. happen to 遭到; 遇到7. get on the Internet 上网8. grand total 总计

7、; 共计9. washing machine 洗衣机10. be good at 擅长11. look forward to 盼望; 期待12. go to hospital 去医院13. stop from doing something 阻止做某事14. thank you for doing 谢谢你做15. all day 整天; 一天到晚16. stop to do 停下来去做另一件事情17. used to do 过去常常做18. in front of 在的前面19. be bad for 对有害处20. give some advice on 就提出建议21. have a go

8、od time 玩得高兴22. daily life 日常生活 For ReadingI. 根据句意及图片提示写单词, 补全句子。1- Whats this?- Its the _ of that computer.2. - What do we use to hear the sound on the computer? - The _.3. If we want to write something on the computer, we use the _.4. Human _ is full of intelligence, so human beings are cleverer t

9、han animals.5. The woman is _ carefully. Dont bother （打扰） her.II. 根据要求写出相应的单词或词组。6. main unit （复数） _7. operator （动词） _8. speed （复数） _9. compare （第三人称单数） _10. depend （现在分词） _III. 根据句意及首字母提示写单词, 完成句子。11. If you want to buy that kind of computer, youd better make a phone o_. Its very convenient.12. The

10、re are all kinds of s_ in this computer store, so you can buy your favorite one.13. People c_ this machine by connecting it to a computer.14. This coat is very e_. I dont have enough （足够的） money to buy it.15. Some computers in the machine are t_. You cant see them.IV. 根据汉语意思完成句子, 每空一词。16. 我长大之后想成为一名

11、科学家。Id like to _ _ a scientist when I grow up.17. 不要经常上网玩游戏, 那样对你的学习不会有好处。Dont _ _ _ _ to play games too often. Its bad for your study.18. 不要总是把自己的孩子与别人的孩子相比较。每个人都是不同的。Dont always _ your own children _ others children because everyone is different.19. 他当时没有意识到他的错误, 所以没有跟我道歉。He _ _ _ his mistake at t

12、hat time, so he didnt say sorry to me.20. 我们现在太依靠父母了。我们应该学着自己去解决问题。We _ _ our parents too much now. We should learn to solve problems by ourselves.21. 这种类型的火车跑得比我们所认为的速度要快一些。This type of train runs _ _ _ _ than we think it does.22. 李先生是一名伟大的音乐家。除此之外, 他还是一位著名的旅游作家。Mr Li is a great musician. _ _, he i

13、s a famous travel writer.23. 我们现在没有能力来完成这个项目, 我们需要专家来帮助我们。We _ _ _ _ finish this project now. We need experts to help us.24. 我篮球打得好, 而他篮球打得更好。I do well in playing basketball. However, he _ _ _ playing basketball.25. 昨天发生了什么事? 你现在看起来非常不开心。What _ _ you yesterday? You looks very unhappy.V. 请根据每句后面的英文提示

14、, 写出下面句子的英文表达。26. 人们现在正变得更忙碌。（ become busier）_27. 你比你所意识到的更依赖电脑。（ depend on. more than）28. 你的大脑能够产生新的想法, 而电脑却不行。（ but ）29. 电脑可能改变我们的生活, 可是它们将使我们的生活更好吗? （ change, but make better） For ListeningI. 根据句意及首字母提示写单词, 完成句子。1. - Where does your father work? - My father works in a computer c_, and he goes to

15、work by bus every day.2. The p_ of this kind of computer is quite high because it has a good monitor.3. - A t_ of 20,000 people visited the Castle （城堡） on the first day when it was open to the public （公众）. - Its amazing!II. 从下面七个选项中选出五个选项完成下面对话, 使对话完整通顺。A. It is G450T6600.B. Its convenient to carry.

16、C. I dont like this type of computer.D. What would you like to order?E. Three computers make a grand total of 13, 497 yuan.F. What can I do for you?G. How can you buy it?Millie: Hello, this is the U.F computer store. （4）_Dudley: Hello, I am from Lei Company. Id like to place an order, please. （5） _

17、I want three computers. They must be Lenovo computers. OK, I see. What type of computer do you want? （6） _ Do you like the desktop or the laptop? I prefer the laptop. （7） _ I got it. Each one is 4,499 yuan. （8） _ Could you send them to my company tomorrow morning? OK. 语法运用 Grammar in use一、形容词比较级和最高级

18、的构成方式比较级 / 最高级形式例词单音节形容词大多数单音节形容词+ -er / -estHighhigher, the highest以-e结尾 + -r / -stlargelarger, the largest一个元音+一个辅音双写辅音字母, 再加-er / -estbigbigger, the biggest双音节以-y或-ly结尾去掉y, 再加-ier / -iesthappyhappier, the happiest以非重读元音、/ l /或/ （r） /结尾+ -er （-r） / -est （-st）clevercleverer, the cleverest以-ful, -le

19、ss, -ed. -ing结尾more / most+形容词原级carefulmore careful, the most careful多音节含三个或三个以上音节difficultmore difficult, the most difficult二、形容词比较级的用法1. 形容词的比较级常用来比较两种人或事物, 常见的结构为 “形容词比较级+than”。如: This book is more difficult than that one.2. 两个相同形容词的比较级用and连接, 称为双重比较级, 意为 “越来越”, 用来说明某个事物正处于变化之中。 Our city is becom

20、ing more and more beautiful.3. 常与形容词比较级连用表示比较的程度的副词有: much, far, a lot, a little, a bit等。This film is far more interesting than that one.4. “the+比较级, the+比较级” 意为 “越就越”。The more you practise, the better you will speak English.提示: 比较中应注意的问题:1. 只有同类事物才能进行比较。 （） His motorcycle is better than mine.（） His

21、 motorcycle is better than me.2. 被比较的事物中不可以包括本身。 （） Tom is taller than any other student in his class. Tom is taller than any of the other students in his class.（） Tom is taller than any student in his class.三、形容词最高级的用法1. 形容词的最高级常用于比较三个及以上的人或事物, 在使用形容词最高级时, 前面须加定冠词the, 后面常跟比较范围。Jack is taller than m

22、e. I am taller than Peter.Jack is the tallest among three of us.Lesson 4 is the most important of all the lessons.2. 常用 “one of + the + 形容词最高级+可数名词复数形式+比较范围” 来表示 “是之中最的之一”。Guangzhou is one of the most beautiful cities in China. 当形容词最高级作前置定语修饰名词时, 在不影响句意理解的前提下, 可省略该名词,避免意思重复。 The blue whale is the la

23、rgest of all the animals on Earth. 【实战演练】I. 写出下列形容词的比较级和最高级。1. long _ _2. fine _ _3. wide _ _4. silly _ _5. early _ _6. popular _ _II. 根据句意, 用括号中形容词的适当形式填空。7. Exercise One is _ （easy） than Exercise Two.8. Im _ （fat） of the three.9. I think the lion is _ （dangerous） of all the animals.10. Hes a littl

24、e _ （late） than me.11. A much _ （small） number of students passed than I expected.12. The fur shoes are much _ （expensive） than the leather shoes.III. 单项选择。（ ）13. Im _ than any other student in my class. Im _ in my class. A. the tallest; taller B. taller; taller C. the tallest; the tallest D. taller

25、; the tallest（ ） 14. My bike is _ but his bike is _.A. new; new B. new; newerC. newer, new D. newer; newer（ ） 15. _ people we help, _ we feel. A. The more; the more happy B. More; more happy C. The more; the happier D. More; happierIV. 连词成句。16. one, in, he, of, the, world, the, persons, is, greatest （.）17. than, is, the, more, that, wonderful, film, one （.）_