（湘教版）初二英语Unit 4 Topic 2 I’m sure there are no UFOs
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Section A
1. Kangkang, could you tell me something about robots?
康康，请给我讲一讲关于机器人的情况好吗？
Could you…？ Could you please…？请您……好吗？
Could I please…？我可以……吗？本句型用于请求允许做某事，语气较婉转、客气。其中句中含有some, something，不必变为any, anything。如：
Could I ask you some questions?
我可以问你一些问题吗？
Would you like something to eat?
你想要一些吃的东西吗？
Will you please give me a glass of water?
你可以给我一杯水吗？
2. But before that, something like robots appeared.
但是在这之前，像机器人的东西已出现过。
appear在这作不及物动词，“出现，呈现”
She didn’t appear.
她没出现，她没来。
appear也可作系动词，意为“似乎，看来，显得”含义近似seem.
appear to do sth.
如：He appeared to be friendly to me.
他似乎显得对我很友好。
There appeared to be only one room.
似乎只有一个房间。
appear + adj（形容词）
You appeared all right when I left.
我离开时，你看起来不错。
They appeared happy.
他们显得很高兴。
It appears / appeared that …
如：It appeared that I was wrong.
看起来是我错了。
3. Robots may take the place of humans in some work situation.
在某些工作中机器人可以代替人。
take the place of…“代替……”“取代……”
如：Now gas takes the place of coal in cooking.
现在煤气代替煤来做饭。
TV set can never take the place of cinema.
电视机永远不能取代电影院。
4. They can also do lots of dangerous work instead of humans.
他们还能代替人类做许多危险的工作。
instead of…复合介词，“代替……”“替……”“而不……”
如：I’ll go to Beijing instead of Shanghai.
我要去北京而不去上海。
The teacher asked Lily to play basketball instead of me.
老师喊莉莉代替我去打篮球。
5. I’m sure robots can do some work better than humans.
我相信机器人做某些工作比人做得更好。
sure：形容词，“肯定的，确信的”。
如：I’m sure that our team will win the game.
我相信我们的球队会赢得这场比赛。
I’m sure he can help me.
我相信他能帮助我。
6. Robots can do many kinds of jobs.
机器人能做很多种工作。
Robots can do hard work.
机器人能做艰苦的工作。
work与job
（1）job“工作”可数名词
如：What’s your job?
你是干什么的？
Jobs are not easy to get.
工作不好找。
（2）work“工作”不可数名词
It’s hard work.
它是一项艰苦的工作。
I can’t find work in this town.
在这个镇上我不能找到工作。
（3）work“工作”动词
I work in a hospital.
我在一所医院里工作。
The kitchen fan doesn’t work.
厨房风扇不工作了。厨房风扇坏了。
Section B
1. I saw a UFO while I was walking down the street yesterday.
昨天我在大街上走时，看到了飞碟。
while与when
while连词“当……时候”，“和……同时”引导时间状语从句。
一般指一段时间，从句与主句的谓语所表示的动作一般同时发生。
如：Please be quiet while I’m speaking to you.
在我对你们讲话时，请安静。
when既可指一个时间点，也可指一段时间，从句与主句的谓语动词所表示的动作或状态可以同时发生，也可以一先一后分别发生。如：
I was watching TV when the telephone rang.
当电话响时我正在看电视。
When I got to the station, the train had left.
当我到达车站时，火车已经离开了。
2. I’m quite sure there are UFOs.
我深信有不明飞行物存在。
（1）be sure of（about）…对……有把握
Are you sure about it?
你对此有把握吗？
I’m sure of myself.
我对自己有把握。
（2）be sure to do一定会干
He is sure to win the game.
他一定会赢得比赛。
They are sure to come early.
他们一定会早来的。
（3）be sure that引导从句，其中that可省略。相信……
I’m sure they will win the game.
我相信他们会赢得这场比赛。
I’m sure he will come.
我相信他会来。
（4）be（not）sure + whether / if引导从句（不）确信是否……
I’m not sure whether they can come or not.
我不能肯定他们是否会来。
I’m not sure if there are UFOs.
我不能肯定是否有不明飞行物。
3. Until now, even the scientists aren’t sure whether there are UFOs.
直到现在，甚至连科学家也不确信是否有不明飞行物。
until now直到现在
Until now, nobody in the class has a computer.
直到现在，班上没有一个人有电脑。
4. There are no living things on other planets.
其他行星上没有生物。
no形容词，“没有”，相当于not any, not a /an
如：We have no classes on Sunday.
星期天我们不上课。
= We don’t have any classes on Sunday.
She has no pen.
她没有钢笔。
= She doesn’t have a pen.
5. People often mistake some man-made objects such as a kite or a balloon for a UFO.
人们常常把一些人造的物体，诸如风筝、气球错认成飞碟。
mistake动词“弄错、误解、错认”。
mistake +名词+for+名词，把……错认为……
I mistake you for my brother.
我把你错认为我弟弟。
mistake名词“错误、差错”
make a mistake犯错误
by mistake错误地
He often makes some mistakes in his exam.
他在考试中经常犯一些错误。
He took my pen by mistake.
他错拿了我的钢笔。
6. Nobody seems to have really seen a UFO.
似乎没有人真正看见过飞碟。
seem的用法
（1）seem系动词“好象、似乎”与appear相近。

如：She always seems sad.
她似乎总是很忧伤。
He seemed an honest man.
他看上去是个老实人。
I seemed to have a cold.
我好象感冒了。
It seems like years since I saw you last time.
自从上次见到你以后，好象过了很久。

It seems that he is lying.
看起来他在撒谎。
It seems as if our team is going to win.
看起来我们队要胜了。
【模拟试题】（答题时间：40分钟）
I. 用括号内所给的词的正确形式填空。
1. Linda couldn’t see Dave _______（where）.
2. In many _______（Asia）countries people eat rice.
3. The girl was _______（shop）while she was seeing the alien get out.
4. The _______（die）old man told us all about the matter.
5. He took the boy to the hospital _______（safe）.
6. The alien visited the Museum of _______（fly）.
7. We are thankful to the great _______（science）called Yuan Longping.
8. Robots can do a lot of _______（danger）work instead.
9. Will Robots make humans _______（lose）their jobs?
10. The girl’s _______（appear）is good-looking.
II. 单项选择
1. He did his homework _________ watching TV.
A. instead B. instead of
C. rather than D. but not
2. He doesn’t like swimming and I don’t, _________.
A. as well B. too
C. also D. either
3. _________ people, know about it.
A. Very few B. Very a few
C. Only a little D. Very little
4. I’m not sure _________ he will come back home tomorrow or not.
A. when B. what C. whether D. where
5. You’d better _________ our computer teacher _________ help.
A. ask, for B. want, for
C. tell, about D. let, to
6. We shouldn’t spend _________ time on it.
A. too much B. much too
C. too many D. many too
7. Are you sure the Internet is good _________ us?
A. for B. at C. to D. with
8. What do you often do _________ the Internet?
A. in B. through C. on D. with
9. Could you tell me _________ about robots?
A. anything B. something
C. nothing D. any
10. He needs someone to _________.
A. wake up him B. woke him up
C. wakes up him D. wake him up
11. I _________ 10 minutes drawing a dog.
A. spent B. cost C. took D. paid
12. Robots can do _________ jobs instead of humans.
A. bored B. boring
C. interested D. interest
13. Let me tell you _________ to use it.
A. what B. how C. which D. whether
14. Until now, you seem _________ right.
A. be B. to be C. being D. are
15. The story is _________. It says Kangkang likes _________ Chinese tea.
A. true, real B. real, realy
C. real, true D. true, truely
III. 完形填空
One day Jack went to a big dinner party. He was wearing _____1_____ clothes. He went in _____2_____ nobody looked at him and nobody _____3_____ him a seat at the table. ____4_____ Jack went _____5_____. He put on his best clothes and then went back to the party. The host at once got up and came to _____6_____ him. He took him to the _____7_____ table gave him a good seat and the best _____8_____. Jack _____9_____ his coat in the food and said, “Eat, coat!”The other people were surprised and said, “_____10_____ are you doing?”Jack answered. “I’m inviting my coat to eat, You give me things for my clothes, not for myself, don’t you?”
（ ）1. A. old B. new C. fine D. evening
（ ）2. A. or B. and C. but D. because
（ ）3. A. asked B. gave C. called D. left
（ ）4. A. So B. And C. When D. After
（ ）5. A. too B. here C. again D. home
（ ）6. A. ring B. stop C. find D. meet
（ ）7. A. bad B. dirty C. best D. small
（ ）8. A. book B. food C. coat D. answer
（ ）9. A. saw B. put C. cleaned D. touched
（ ）10. A. How B. What C. When D. Which
【试题答案】
I. 1. anywhere 2. Asian 3. shopping
4. dying 5. safely 6. flight
7. scientist 8. dangerous 9. lose
10. appearance
II. 1. B 2. D 3. A 4. C 5. A
6. A 7. A 8. C 9. B 10. D
11. A 12. B 13. B 14. B 15. A
III. 1. A 2. C 3. B 4. A 5. D
6. D 7. C 8. B 9. B 10. B

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