习题打印

一.找出不可数名词，在横线上打勾，并将可数名词变成复数形式：

book _________ apple __________ water___________ money ___________ news _________ child __________ banana _________ candy _____________ monkey ________

milk __________ mouth __________ eye _____________ chocolate________

soup__________ failure__________ traffic__________ industry _________

travel__________dust__________

Need的练习

1、Mark _______ have hurried. After driving at top speed, he arrived half an hour early.

A. needn’t

B. wouldn’t

C. mustn’t

D. could n’t

2、— What sort of house do you want to have? Something big?

— Well, it ______ be big —that’s not important.

A. mustn’t

B. needn’t

C. can’t

D. won’t

3、As a result of the serious flood, two-thirds of the buildings in the area ______.

A. need repairing

B. needs to repair

C. needs repairing

D. need to repair

Ⅱ. 用didn’t need to和needn’t have及所给动词的正确形式填空。

1. I ____________ (tell) her the news, for I knew that he had told her earlier.

2. I was the first to get there. I ____________ (go) there so early.

3. It being Sunday, I ____________ (go) to work. I went to the park with my daughter.

4. I ____________ (cook) so much food. Nobody was hungry.

5. As it turned out to be a small house party, we ____________ (dress) up so formally.

时态训练

一单选题

1：—What did she say?

—She said she ______to the station to ______.

A. is going, see you off

B. was going, see off you

C. was going, see you off

D.

is going, see off you

2：The reporter said that the UFO _____ east to west when he saw it.

A. was travelling

B. travelled

C. had been travelling

D. Was to travel

3：

The new secretary is supposed to report to the manager as soon as she ________ .

A. will arrive

B. arrives

C. is arriving

D. is going to arrive

4：Mr. Green __________ for more than ten years.

A. died

B. has died

C. is dying

D. has been dead

5：We are old friends. We _____ each other for 10 years.

A. know

B. have known

C. recognized

D. have recognized

6：My brother is an actor. He _____ in several films so far.

A. appears

B. appeared

C. has appeared

D. is appearing

7：James Watt _____ the steam engine.

A. was inventing

B. invented

C. had invented

D. has invented

8：A great number of trees _____ in the past few years in the city.

A. have planted

B. have been planted

C. will plant

D. planted

9：The volleyball match will be put off if it ________.

A. will rain

B. rains

C. rained

D. is raining

10：I ____ ten minutes to decide whether I should reject the offer.

A. gave

B. was given

C. was giving

D. had given

11： A great number of trees_______in the past few years in the city．

A. have planted

B. have been planted

C. will plant

D. planted

12：I wonder why Jenny ____ us recently. We should have heard from her by now.

A. hasn't written

B. doesn't write

C. won't write

D. hadn't written

13：——There is too much snow these days, isn’t there?

——Yes, it __________for a few days.

A. was snowing

B. has been snowing

C. had been snowing

D. snowed

14：I don’t think he likes you, ____?

A. does he

B. doesn’t he

C. do I

D. don’t I

15：He hasn’t come yet．What do you consider ________________ to him?

A. to happen

B. happens

C. has happened

D. happening

16：---- I hear Jane has gone to the Holy Island for her holiday.

---- Oh, how nice! Do you know when she ______ ?

A. was leaving

B. had left

C. has left

D. left

17：I’ve won a holiday for two to Florida. I________ my mum.

A. am taking

B. have taken

C. take

D. will have taken

18：

It’s very kind________ the warm-hearted woman________ us out when we were in trouble.

A. of… to help

B. of… to have helped

C. for… to help

D. for… to have helped

19：Once we _____ to do something, you will never hold us back.

A. will make up our minds

B. make up our minds

C. make up our mind

D.

made up our minds

20：Tom______ into the house when no one______.

A. slipped; was looking

B. had slipped; looked

C. slipped; had looked

D.

was slipping; looked

21：The ________ of living in big cities in China is higher than before.

A. cost

B. spend

C. paid

D. use

22：In summer，the temperature sometimes________ as high as 39℃．（高考题）A. rises B. rising C. raising D. raises

23：--My father will be here tomorrow.

--Oh, I thought that he _____ today.

A. has come

B. is coming

C. had come

D. was coming

24：My father_______ to Beijing on business since 1984.

A. often goes

B. has often been

C. often went

D. is often going

25：They have just decided that they_________ up the job.

A. take

B. have taken

C. took

D. won’t take

26：—You should have gone to the show with us yesterday. It was very good. —I wish I ______ yesterday off. I’d have gone with you.

A. have had

B. had

C. have

D. had had

27：The professor stood there________ by many students.

A. surrounded

B. surrounding

C. to surround

D. being surrounded

28：“Do you have any clothes________ today, Master?”asked the servant politely.

A. to wash

B. to be washed

C. washing

D. being washed

29：This novel_______ well.

A. sells

B. is sold

C. will be sold

D. has been sold

30： _____ last year and is now earning his living as an advertising agent. (广告推销员)

A. He would left school

B. He has left school

C. He had left school

D. He left school

31： --Did you write to Grace last summer?

--No, but I'll _____ her over Christmas vacation.

A. be seen

B. be seeing

C. have seen

D. have been seeing

32：Visitors ____ not to touch the exhibits.

A. will request

B. request

C. are requesting

D. are requested

33：What they wanted to know was which companies _________ latest equipment. A. were lacked B. was lacked C. was lacking D. lacked

34：It is not unusual for workers in that region ________.

A. to be paid more than a month later

B. to be paid later than more a month

C.

to pay later than a month more D. to pay later more than a month

35：Your parents_________ for you everywhere. Go back quickly!

A. looked

B. are looking

C. look

D. know

36：—Has your sister finished her composition yet?

—have no idea. She _____ it this morning.

A. wrote

B. has written

C. had written

D. was writing

37：—We________ that you would fix the TV set this week.

—I’m sorry. I ________ to fix it this week, but I’ve been too busy.

A. had expected; had intended

B. are expecting; had intended

C. expect; intend

D. expected; intend

38：－Can I help you，sir?

－Yes．I bought this radio here yesterday, but it _________．

A. didn't work

B. won't work

C. can't work

D. doesn't work

39： -What have you done with my knife,Tom?

-I ____it back in your pencil -box, I remember clearly.

A. would put

B. had put

C. will put

D. put

40：

The number of foreign students attending Chinese universities ________ rising steadily since1990.

A. is

B. are

C. has been

D. have been

41：She is a good________. She’s not really crying. She’s only________ to get your sympathy.

A. actress; acting

B. actor; acting

C. action; active

D. activity; actively

42：Father had promised to buy me a toy car，

and he _______ get one for me yesterday．

A. had

B. did

C. would

D. does

43： --Sorry, I ________ to post the letter for you.

--Not at all. I _________ it myself.

A. forgot, will post

B. forgot, posted

C. will forget, will post

D. had forgot, will post

44：According to the art dealer, the painting ________ to go for at least a million dollars.

A. is expected

B. expects

C. expected

D. is expecting

45：I enjoy Lu Xun's works, so I _______three of his books.

A. have been reading

B. am reading

C. read

D. have read

46：--What do you think of the book?

--Sorry, I have no idea because I __________ .

A. didn’t read it

B. haven’t read it

C. didn’t have time to read it

D.

hadn’t finished reading it

47：

The news came as no surprise to me．I______for some time that the factory was going to shut down．

A. had known

B. knew

C. have known

D. know

48：—Be careful! Your hair might get caught in the machine.

—Thank you, I _________ I _________ so close to it.

A. don’t know…am

B. haven’t known…was

C. didn’t know…was

D. haven’t know…am 49：—Have you known Dr. Jackson for a long time?

—Yes, since she＿＿＿＿the Chinese Society.

A. has joined

B. joins

C. had joined

D. joined

50：-You look tired.

-Yes, I ______ non- stop until seven o'clock.

A. am working

B. was working

C. has worked

D. had worked

51：This kind of glass ________ easily.

A. is broken

B. breaks

C. was broken

D. has been sold

52：In the past people ___ work 48 hours a week .

A. have to

B. had to

C. have had to

D. had had to

53：—Alice, why didn't you come yesterday?

—I _____, but I had an unexpected visitor.

A. had

B. would

C. was going to

D. did

54：Don’t get off the bus until it__________.

A. has stopped

B. stopped

C. will stop

D. shall stop

55：He said he _____ English for over ten years.

A. has been teaching

B. taught

C. had taught

D. was teaching

56：－Why? This is the third time you have missed the lecture!

－I______ to. I was hurrying to school when something urgent happened to me. A. don't mean B. didn't mean C. haven't meant D. hadn't meant

57：A Dream of the Red Chamber is said__________ into dozens of languages in the last decade.

A. to have been translated

B. to be translated

C. to translate

D. to have translated 58：—How are you today?

—Oh, I_________ as ill as I do now for a very long time.

A. didn’t feel

B. wasn’t feeling

C. don’t feel

D. haven’t felt

59：Make sure ____ off the lights before you to go bed.

A. you turn

B. to turn

C. turning

D. your turning

60：John and I ________ friends for eight years. We first got to know each other at a Christmas party. But we________ each other a couple of times before that.

A. had been; have seen

B. have been; have seen

C. had been; had seen

D. have been; had seen 61：I _______go on the trip, when it began to rain.

A. was to

B. was going to

C. would

D. was about to

62：—Do you always have weather like this in May?

—Generally it’s much cooler than this. And I can’t remember ______ we ______ such a rainy day.

A. when; had

B. that; were having

C. where; had had

D. whether; will have

63：—We haven’t heard from Jane for a long time.

—What do you suppose_________ to her?

A. was happening

B. to happen

C. has happened

D. having happened

64：—Your phone number again? I _____ quite catch it.

—It's 9568442.

A. didn't

B. couldn't

C. don't

D. can't

65：—Did you tell Julia about the result?

—Oh, no, I forgot. I _____ her now.

A. will be calling

B. will call

C. call

D. am to call

66：

The silence of the library _______ only by the sound of pages being turned ove r．

A. has been broken

B. breaks

C. broke

D. was broken

67：—Do you know our town at all?

—No, this is the first time I_____ here.

A. was

B. have been

C. came

D. am coming

68：—Is this raincoat yours?

— No , mine _____ there behind the door.

A. is hanging

B. has hung

C. hangs

D. hung

69：The new suspension（悬索）bridge________ by the end of last month.

A. has been designed（设计）

B. had been designed

C. was designed

D. would be designed 70：

I thought Jim would say something about his school report, but he _____ it.

A. doesn't mention

B. hadn't mentioned

C. didn't mention

D. hasn't mentioned

71：I______ you not to move my dictionary—now I can't find it.

A. asked

B. ask

C. was asking

D. had asked

72：What do you think ____ then?

A. to happen

B. was happened

C. happened

D. happening

73：－Did you go to Dalian for the vacation?

－No, I _______ to, but I got sick.

A. planned

B. have planned

C. would plan

D. had planned

74：The crazy fans ______ patiently for two hours，and they would wait to the movie star arrived．

A. were waiting

B. had been waiting

C. had waited

D. would wait

75：Great changes ________ in the city and a lot of factories ________.

A. have been taken place; have been set up

B. have taken place; have been set up

C.

are taken place; are set up D. were taken place; were set up

76：

The little girl _________her heart out because she _________her toy bear and b elieved she wasn't going to find it.

A. had cried; lost

B. cried; had lost

C. has cried; has lost

D. cries; has lost

77：—Is this the last exam we have to take this term? —Yes, but there________ another test three months from now.

A. has

B. is

C. was

D. will be

78Do let your mother know all the truth. She appears _________ everything.

A. to tell

B. to be told

C. to be telling

D. to have been told

79：The new piano _______ well.

A. is playing

B. are playing

C. plays

D. is played

80：More patients________ in hospital this year than last year.

A. treated

B. have treated

C. had keen

D. have been treated

81：The reporter said that the UFO ____ east to west when he saw it.

A. was travelling

B. traveled

C. had been travelling

D. was to travel

82：Daniel’s family _________ their holiday in Huangshan this time next week.

A. are enjoying

B. are to enjoy

C. will enjoy

D. will be enjoying

83：Sales of CDs have greatly increased since the early 1990s, when people________ to enjoy the advantages of this new technology.

A. begin

B. began

C. have begun

D. had begun

84I wonder why Jenny ______ us recently.We should have heard from her by now.

A. hasn't written

B. doesn't write

C. won't write

D. hadn't written

85My eyes are getting tired. I_______ for two hours. I think I'll take a break.

A. have read

B. read

C. have been reading

D. am reading

86：

By the time he leaves university, he _____ much work experience so long as he takes a part-time job.

A. will have gained

B. has gained

C. may have gained

D. will gain

87：Let’s keep to the point or we__________ any decisions.

A. will never reach

B. have never reached

C. never reach

D. never reached

88：Once________, the man can never be forgotten.

A. seen

B. seeing

C. to see

D. to be seen

89：—I haven’t heard from Henry for a long time. —What do you suppose__________ to him?

A. was happening

B. to happen

C. has happened

D. had happened

90：—Hello. Can I speak to Mary, please?

—T here’s no such person here. This is 6158188.

—I’m terribly sorry. I think I _____ the wrong number.

A. am dialling

B. had dialled

C. dialled

D. have dialled

91：He is said ________ abroad, but we don’t know which country he studied in.

A. to study

B. to be studying

C. to have studied

D. studying

92：－How are you today？

－Oh，I ________ as ill as I do now for a very long time.

A. didn't feel

B. wasn't feeling

C. don't feel

D. haven't felt

93：When she had heard the sad news her heart ________ .

A. was burst

B. was bursted

C. burst

D. bursted

94： You needn’ t hurry her. She _______ it by the time you are ready.

A. will finish

B. will have finished

C. will have been finishing

D. will be finishing 95：It _____ every day so far this month.

A. is raining

B. rained

C. rains

D. has rained

96：

According to the literary review, Shakespeare _______his charities live throug h their language in his plays.

A. will make

B. had made

C. was making

D. makes

97：—Your phone number again? I ____ quite catch it.

—It's 9568442

A. didn't

B. couldn't

C. don't

D. can't

98：Her sister ____ in bed all day because she had a high fever.

A. lay

B. lie

C. laid

D. lain

99：The girl ____, that is, she ____ a ____ shot.

A. was shot dead…died of…deathly

B. shot at death…died for…dead

C.

was shot to death…died from…deadly D. was shot deadly…dead of…dying

100：—Alice came back home the day before yesterday．

—Really? Where ______ ?

A. has she been

B. had she been

C. has she gone

D. had she gone

101：This is the second time you ____ late this week.

A. had arrived

B. arrived

C. have arrived

D. arrive

102：He ____ up early since his childhood.

A. used to get

B. is used go get

C. has been used to get

D. has been used to getting

语态习题：

1.Our house_____,

A . is getting paint

B . is getting painted

C . is got painted

D . has got to paint

2.He arrived in Beijing,where he_____his friend .

A . was met by

B . was met

C . was meeting

D . met by

3.The war_____in 1937

A . was broken out

B . had been broken out

C . has broken out

D . broke out

4.The mistakes in the exercises will_____the teacher.

A . cross

B . be crossing

C . be crossed by

D . cross by

5.My brother and I have __________her birthday party.

A . been invited

B . been invited for

C . invited to

D . been invited to

6.It_______this way

A . is had to do

B . is had to be done

C . had to be done

D . has to do

7.It__this way.

A used to do

B . used to be done

C . is used to do

D . is used to doing

8._____Chaplin.

A . The child's name was called

B . The child's name calls

C . The child calls

D . The child is named

9.The sports meeting____ .

A . is put off

B . is to put off

C . is to be put off

D . puts off

10.Mary realized she_________

A . was making fun of

B . was made fun

C . was being made fun of

D . was being made fun

11.______to say a thing in that way

A . It is considers wrong

B . It is considered wrong

C . It is considered it's wrong

D . It is consiedring wrong

12.He ordered that the books_______at once.

A . would be printed

B . would print

C . be printed

D . print

13.The story______in ChinA .

A . was taken place

B . was happened

C . took place

D . has been taken place

14.The house_____my parents

A . is belong to

B . belong to

C . belongs to

D . is belonged to

15.He_______by his teacher.

A . happened to see

B . was happened to see

C . happened to be seen

D . was happened to be seen

16.Great changes_____in our province.Many tall buildings.

A . have been taken place, have been set up

B . have taken place, have been set up

C . have been taken place, have been set up

D . were taken place, were set up

17.The hall's____but it's not yet____with lamps.

A . furnished, finished

B . been finished, been furnished

C . being finished, being furnished

D . set up, full

18.The new hall is the tallest building in this town._____from here?

A . Can it see

B . Can it be seen

C . Can it seen

D . Can see

19.As soon as we got to the airport,we found that the plane_____.

A . had already taken off

B . already took off

C . was already taking off

D . was already taken off

20. Some of the hotels in my hometown_________.

A . have now been rebuilding

B . are now rebuilding

C . are now being rebuilt

D . are rebuilt now

21. If city noises ____ from increasing，people ____ shout to be heard even at dinner．

A . are not kept；will have to

B . are not kept；have

C . do not keep；will have to

D . do not keep；have to

22. The fifth generation computers, with artificial intelligence, are ____and perfected now.

A . developed

B . have developed

C . are being developed

D . will have been developed

23. --- ____ the sports meet might be put off．--- Yes，it all depends on the weather．

A . I've been told

B . I've told

C . I'm told

D . I told

24. I need one more stamp before my collection ___.

A . has completed

B . completes

C . has been completed

D . is completed

25. Rainforests ___ and burned at such a speed that they will disappear from

the earth in the near future.

A . cut

B . are cut

C . are being cut

D . had been cut

26. The new suspension bridge ___ by the end of last month.

A . has been designed

B . had been designed

C . was designed

D . would be designed

27.When a pencil is partly in a glass of water, it looks as if it ____.

A . breaks

B . has broken

C . was broken

D . had been broken

28. Great changes ___ in the city, and a lot of factories ___.

A . have been taken place; have been set up

B . have taken place; have been set up

C . have taken place; have set up

D . were taken place; were set up

29. That suit __ over 60 dollars.

A . had costed

B . costed

C . is costed

D . cost

30. --- Look! Everything here is under construction. --- What's the pretty small house that __ for?

A . is being built

B . has been built

C . is built

D . is building

31.--- Do you like the material? --- Yes, it ___ very soft.

A . is feeling

B . felt

C . feels

D . is felt

32. It is difficult for a foreigner ____ Chinese．

A . write

B . to write

C . to be written

D . written

33. I have no more letters ____ ，thank you．

A . to type

B . typing

C . to be typed

D . typed

34. Take care! Don't drop the ink on your shirt, for it __ easily.

A . won't wash out

B . won't be washed out

C . isn't washed out

D . isn't washing out

35. Nobody noticed the thief slip into the house because the lights happened to ___.

A . be put up

B . give in

C . be turned on

D . go out

36. The computers on the table ___ Professor Smith.

A . belongs

B . are belonged to

C . belongs to

D . belong to

37. --- What do you think of the book? ---Oh, excellent. It's worth ___ a second time.

A . to read

B . to be read

C . reading

D . being read

38. The squirrel was lucky that it just missed ___.

A . catching

B . to be caught

C . being caught

D . to catch

39. This page needed ___ again.

A . being checked

B . checked

C . to check

D . to be checked

40. ___ many times, the boy still didn't know how to do the exercises

A . Having taught

B . Having been taught

C . taught

D . Teaching

【强化训练】

1. If city noises ____ from increasing，people ____ shout to be heard even at dinner．

A．are not kept；will have to

B．are not kept；have

C．do not keep；will have to

D．do not keep；have to

2. The fifth generation computers, with artificial intelligence, are ____and perfected now.

A. developed

B. have developed

C. are being developed

D. will have been developed

3. --- ____ the sports meet might be put off．

--- Yes，it all depends on the weather．

A．I've been told B．I've told

C．I'm told D．I told

4. I need one more stamp before my collection ___.

A. has completed

B. completes

C. has been completed

D. is completed

5. Rainforests ___ and burned at such a speed that they will disappear from the earth in the near future.

A. cut

B. are cut

C. are being cut

D. had been cut

6. The new suspension bridge ___ by the end of last month.

A. has been designed

B. had been designed

C. was designed

D. would be designed

7. When a pencil is partly in a glass of water, it looks as if it ____.

A. breaks

B. has broken

C. was broken

D. had been broken

8. Great changes ___ in the city, and a lot of factories ___.

A. have been taken place; have been set up

B. have taken place; have been set up

C. have taken place; have set up

D. were taken place; were set up

9. That suit __ over 60 dollars.

A. had costed

B. costed

C. is costed

D. cost

10. --- Look! Everything here is under construction.

--- What’s the pretty small house that __ for?

A. is being built

B. has been built

C. is built

D. is building

11.--- Do you like the material?

--- Yes, it ___ very soft.

A. is feeling

B. felt

C. feels

D. is felt

12. It is difficult for a foreigner ____ Chinese．

A．write B．to write

C．to be written D．written

13. I have no more letters ____ ，thank you．

A．to type B．typing

C．to be typed D．typed

14. Take care! Don’t drop the ink on your shirt, for it __ easily.

A. won’t wash out

B. won’t be washed out

C. isn’t washed out

D. isn’t washing out

15. Nobody noticed the thief slip into the house because the lights happened to ___.

A. be put up

B. give in

C. be turned on

D. go out

16. The computers on the table ___ Professor Smith.

A. belongs

B. are belonged to

C. belongs to

D. belong to

17. --- What do you think of the book?

---Oh, excellent. It’s worth ___ a second time.

A. to read

B. to be read

C. reading

D. being read

18. The squirrel was lucky that it just missed ___. A. catching B. to be caught

C. being caught

D. to catch

19. This page needed ___ again.

A. being checked

B. checked

C. to check

D. to be checked

20. ___ many times, the boy still didn’t know how to do the exercises

A. Having taught

B. Having been taught

C. taught

D. Teaching

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20以内加减法口算练习题得分（） 12-8= 17-9= 13-7= 14-9= 15-8= 19-10= 18-1= 18-2= 18-9= 17-4= 11-2= 13-8= 14-8= 11-3= 12-9= 13-5= 13-6= 13-4= 13-8= 13-9= 4+7= 4+8= 4+9= 4+10= 4+11= 13-10= 12-1= 12-2= 12-4= 12-5= 14-5= 15-6= 14-7= 15-8= 11-4= 11-7= 14-6= 14-5= 11-8= 11-9= 7+5= 14-6= 15-7= 6+7= 8+9= 15-8= 16-9= 17-8= 16-7= 13-9= 18-9= 15-6= 11-6= 13-7= 15-9=

20以内加减法口算练习题㈡ 6+9= 5+8= 7+3= 6+6= 9+5= 7+9= 8+8= 5+8= 14-9= 17-6= 4+7= 9+4= 6+8= 9+7= 7+8= 9+8= 4+6= 5+3= 6+8= 17-5= 3+7= 6+8= 9+6= 2+8= 6+9= 14-6= 5+7= 4+7= 7+9= 15-8= 6+9= 8+4= 9+8= 8+5= 9+11= 16-7= 13-7= 7+4= 8+3= 17-6= 19-8= 8+5= 9+5= 8+6= 7+14= 8+2= 4+7= 3+9= 12-8= 5+8

20以内加减法口算练习题㈢ 3+5= 13-6= 6+9= 9+5= 13-8= 4+6= 9+9= 8+7= 4+7= 6+3= 12-9= 9-3= 8+3= 5+7= 5+6= 6+8= 9+2= 7+4= 5+5= 4+9= 10+6= 9+5= 10+4= 6+10= 8+5= 14-6= 7+2= 6+5= 6+8= 9+6= 8+5= 3+6= 8+5= 7+9= 5+7= 6+8= 4+7= 5+9= 9+4= 7+8= 6+5= 4+9= 5+7= 7+7= 8+4= 5+3= 2+7= 6+4= 7+4= 3+6=

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24点练习题大全(打印版)

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[]????? ? ??? ? ??????????=??????? ???????????????+?????? ?????????????????????????? ????????????? ?-----=????????????????????????????? ?654321165432111111112654321000001000000 0000000100 10000000000010x x x x x x y u K K x x x x x x K K K K K K J K J J K J K J K x x x x x x p p p p n p b 1-2有电路如图1-28所示。以电压)(t u 为输入量，求以电感中的电流和电容上的电压作为状态变量的状态方程，和以电阻2R 上的电压作为输出量的输出方程。 L1L2 U 图1-28 电路图 解：由图，令32211,,x u x i x i c ===，输出量22x R y = 有电路原理可知：? ? ? +==+=++3 213 222231111x C x x x x R x L u x x L x R 既得 2 221332 2222131111111111x R y x C x C x x L x L R x u L x L x L R x =+- =+-=+-- =? ? ? 写成矢量矩阵形式为：

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