(2) workers in this factory is increasing. 【分析比较】\可数名词的复数\表示\的数目，数量作主语时谓语动词用单数， (2) 题意为\这家工厂的工人数目正在增加。\故填The number of。
\可数名词的复数\表示\许多作主语时谓语动词用复数， (1 )题意为\图书馆丢了许多书。\故填A number of。 3. reply/answer
( 1 ) Could you my questions? (2)I haven't to his letter yet. 【分析比较】 reply 是不及物动词，后面不能直接跟宾语，应加介词to再接宾语，即reply to sb. / sth. ，是正式用语， (2) 后是介词to接宾语，故填replied 。 answer 既是及物动词又是不及物动词，后面可直接跟宾语，即answer sb. / sth. ，意思是\回答;回信;接电话\，(1)后的宾语是question ，故填answer 。 4. sleep/ asleep/ sleepy
( 1 ) The girl felt when she' was watching a play.
( 2) I went into the bedroom quietly because my mother was . (3 ) The boy was so tired that he _____ till next morning.
【分析比较】 sleep 可作动词和名词，意为\睡眠;睡觉\作动词用时是持续性动词， (3) 后接一段时间till next morning，故填slept 。asleep 是形容词，只作表语，意为\睡着的与be ，fall 构成词组， be/ fall asleep 表示睡着的状态，故 (2)填asleep。sleepy 是形容词，意为\困倦，欲睡指想睡这一感觉。(1) 题意为\这个女孩在看电视的时候感到困倦。\故填sleepy。 5. as well as/as well
( 1 ) He can speak English. And he knows French . ( 2) The study of English is regarded as a very important industry in China in the rest of the world.
【分析比较】 as well as 意为\除......之外(也)\，位于句中连接前后对应的成分， (2) 题意为\英语学习除了在中国被视为一项重要的产业之外，在世界的其他地方也一样。\故填as well as。as well 意为\也，还\用于肯定句，一般放在句末，其前不用逗号与句子隔开，(1 )题意为\他会说英语，也懂法语。\故填as well 。 6. except / besides
(1) working as a doctor , he also writes novels in his spare time.
(2)We work everyday Sunday.
【分析比较】 except 和besides 都可以作介词。
except 表示仅有某事物不包括在内。(2) 题意为\我们除了星期日外，每天都工作\。一周七天排除了星期日，故填except 。besides 表示除……之外(还) 。 (1)题意为\作为一名医生，他还在工作之余写小说.\。工作和写作都没有耽误，故填Besides 。
Unit 4
&考点词汇
hero , prove , achieve , master , introduction , expect , dry，doubt , tiny ,
cancel ,connect , screen , reply , search , metal , toothbrush , ink , recorder , clone ,
experiment , servant , housework , research , basic , coach , storm, beyond , separate , tower , prison , praise &目标短语 send up 发射 no doubt 无疑地 For instance 例如
turn on 打开(水龙头、电视、收音机、灯、煤气等) connect to 连接，相连 click on 单击，点击 search for搜索
For certain 确切，肯定
make a contribution to 为……作贡献 run away逃跑;失控
be based on 以……为基础(根据) hand in 上交;交纳 Throw away扔掉 &重点句型
1. So I advise you to study hard to make computers serve us better.
2. There is no doubt that computers are very useful in technology and business. 3. For example , tiny computers inside patients' bodies can keep their hearts beating normally.
4. Mr. Lee told us not to spend too much time playing games. 5 . They are also making the workplace safer and better. 6. --What's it made of /from? 一It' made of /from. 7. - What's it used for?
一It's used for helping us to improve our English. 8. - Where was it developed? 一一It was developed in Korea. 9. - When were they invented? 一They were invented in 1985.
10. I don't think aliens can be found in space. 11. Other planets may be visited in the future. 12. More satellites must be sent into space.
13. One scientist warns that if robots start to think for themselves , they will no longer want to be our servants , but our masters.
14. This method worked well at night as long as the weather was good and the stars could be seen.
15. It can also be used to study the shape of the earth.
16. No one knows for certain , but most people think that robots will be part of our lives.
17. The gravity on the surface of Mars is about two fifths as strong as it is on the earth.
18. It has been/is two days since we landed on Mars. &功能意念 1.希望和愿望
I wish to go there some day. Steven wants to be a painter. I hope to get together with them.
I wish I could go into space some day. I hope your dream will come true. I hope so. I hope not.
I wish I were younger. 2. 可能与不可能
It's likely to rain this afternoon.
It's likely that you will lose this game. It's not likely to snow soon.
Usually a fever may cause a headache.
It's impossible to finish so much work in an hour. He may not come so early.
It is possible that you will have some trouble. But I don't think aliens can be found in space. Other planets may be visited in the future.
I'm not sure whether/if robots will make humans lose their jobs. Perhaps Alex will sit in a coffee shop.
Maybe Ru i will make friends with Beijing people. --Mr Wang must be in the office now. The light is on. -It can't be him. Yesterday he left for France.
Robots can take the place of humans to do hard and boring work in some work situations.
He can/may come today. It may snow tonight. &语法精粹
1.动词+宾语+宾语补足语。 2. 一般过去时的被动语态。 3. 含有情态动词的被动语态。 &考点剖析
1. So I advise you to study hard to make computers serve us better. 因此我建议你努力学习使电脑更好地为我们服务。
( 1) advise sb. to do sth. \建议某人做某事. 如:
Police are advising fans without tickets to stay away警察正告诫没有票的球迷离去。 (2)make sb. do sth. \让某人做某事do sth. 是 宾语补足语。如:
I made him work hard. 我迫使他努力干活。
[连接] 类似advise 后常跟不定式作宾语补足语的动词有: allow , ask , encourage , expect , get , hate , help , invite ,lead , order ,teach ,remind ,request , tell , warn wish 等。
在feel ，have , hear , let , listen to , look at , make ,notice , see , watch 等使役动词和感官动词后，复合宾语中的动词不定式不带to 。动词help 后的不定式的to 可以省去，也可以保留。如:
He helps the little girl( to) finish her homework everyday. 他每天帮助这个小女孩完成她的家庭作业。
注意:感官动词与使役动词转换为被动结构时，其后的不定式必须带to. 如: The young man was often seen to draw by the lake. 人们经常看到那个年轻人在湖边画画。
2. There is no doubt that computers are very useful in technology and business. 毫无疑问，电脑在科技和商业领域非常有用。
There is no doubt that... \无疑地……，毫元疑问。如: There is no doubt at all that we. did the right thing. 毫无疑问，我们做得对。
3. First, turn on your computer and connect to the Internet. 首先打开电脑，然后连接因特网。
connect. .. to...\使……连接，接通\。如: First connect the printer to the computer. 首先把打印机与计算机连接。
[连接] connect 还可构成connect... with/and... ' \把……与……联系起来\。如:
A good student should connect what he reads with what he sees around him. 一个好学生应把所读的东西与他周围所见的事物联系起来。
4. This method worked well at night as long as the weather was good and the stars could be seen. 只要天气好，能看见星星，这种方法在晚上就很有用。 as long 引导条件状语从句，意为\只要……就……且as long as 所引导的从句中的谓语动词常用一般现在时代替一般将来时。如: Y ou can borrow it as long as you're not careless with it. 你可以借去用，只要你小心就行。
注意: as long as 还可指原级比较与……一样长\。如: This ruler is as long as that one. 这把尺与那把尺一样长。
5. But I don't think aliens can be found in space 但是我认为在太空中找不到外星人。
I think/believe/ guess/ suppose 后接的宾语从句如 表达否定意义，否定须前置。如:
I don't believe that he will come back tomorrow. 我相信他明天不会回来.
注意:上述句型的反意疑问句，其附加疑问部分的主语应与宾语从句的主语保持一致，否定前置还要转移到宾语从句中。如:
I don't believe that he will come back tomorrow, will he? 6. Life may be found on other plants some day.
将来某一天人类或许可以在其他星球上发现生命。
may 可以表示许可或推测，意为\或许，可能\但只用于陈述句中。如: Take a raincoat with you. It may rain.带着雨衣，可能会下雨。 [连接] 表示可能性的情态动词有may ，can , could , must , might ，但用法各有不
同。
(1 )may 表示可能或猜测，通常用于肯定和否定陈述句中，指现在或将来的可能性。如:
She may come this evening. 她今晚可能来。(将来的可能性) He may not be at home. 他可能不在家。(现在的可能性) (2) 如果表示对过去\可能性\的猜测，要用\过去分词\， may 表示的可能性比might 更大。might 是may的过去式，只有在过去时间的语境中才可表示过去的\许可\或\可能\。如:
She may/might have had an accident. 她或许出了事故。
He explained he might be late for school because of the heavy rain. 他解释道，他可能会因大雨而上学迟到。
(3)can 表示\可能性\可用于各种句式，在否定句中表示\不可能\。如: What can she mean？ 她可能是什么意思呢？(用于疑问句)
The moon can't always be at the full. 月亮不可能总是圆的。(用于否定句) Y ou can find him in the classroom. 你可以在教室找到他。(用于肯定句)
(4 )must 在肯定句中可表示\一定\的意思，即表示不可避免性、肯定性、可能性等意思。
如:You must be tired. 你一定累了。 (5) 要推测说话时正在进行的事情，可用\现在分词\要推测过去的事情，可用must have+过去分词\。如:
You must be joking! 你一定是在开玩笑。
7. The gravity on the surface of Mars is about two-fifths as strong as it is on earth. 火星表面的引力大约是地球表面引力的五分之二。
倍数表示法:倍数词( half, twice , three times...)+as +形容词或副词原级+齿。如: This box is four times as heavy as that one. 这个盒子是那个盒子的4 倍重。 8. It has been two days since we landed on Mars. 我们登上火星已经两天了。 用It 作主语谈论时间时，常与since 连用。常用的结构为: It has been +一段时间+ since +从句。如
It has been a long. time since they left.他们已经离开很久了。 {连接】这种结构有两个同义结构: (1) It is +一段时间+ since +从句。
(2) 主语+ have/has + been +地点+ for +时间段。如: It is two years since I came to No. 5 Middle School.
= It has been two years since I came to No. 5 Middle School. I have been at No. 5 Middle School for 2 years. 我来到第五中学已经两年了。 &细比细看
1. be made of /be made from /be made by/be made in /be made into (1)This cell phone America.
(2) The cake my mother yesterday. (3) Metal can all kinds of things. (4 )The desk wood. (5)The wine grapes. 【分析比较】be made of 指\用……制造的\表示原材料未经化学变化，从成品中