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We live in computer age (时代). People 51 scientists, teachers, writers and even students use computers to do all kinds of work. But more than 30 years ago, 52 couldn't do much. They were very big and expensive. Very 53 people were interested in them and knew how to use them. Today computers are smaller and 54 . But they can do a lot of work; many people like to use them. Some people 55 have them at home.
Computers become very important because they can work 56 than people and make fewer mistakes. Computers can 57 people do a lot of work. Writers now use computers to 58 . Teachers use them to help teaching. Students use them to 59 . Computers can also remember what you 60 them. Computers are very useful and helpful. They are our friends. Do you want to have a computer?
( )51. A. like B. as C. and D. with
( )52. A. students B. scientists C. teachers D. computers
( )53. A. few B. a few C. little D. a little
( )54. A. cheap B. cheaper C. more expensive D. expensive
( )55. A. even B. still C. already D. yet
( )56. A. fast B. faster C. slow D. slower
( )57. A. help B. make C. stop D. use
( )58. A. write B. play C. study D. learn
( )59. A. sing B. study C. dance D. watch
( )60. A. put in B. put on C. put into D. put up
查看习题详情和答案>>As I have learnt English very well in the university(大学), there is a good chance I will be able to stay on as a teacher with the university where I am____1__. Most of my friends and parents___2____that it's best for a girl to be a university teacher.
But I don't know___3____to do. It is not that I wouldn't like to be a teacher. But I don't want to stay, not now, because I need some experience in telling my students how to turn___4____into practice.
I once taught business English at a night school, yet I had never done any business. Though I prepared my lessons well, I still___5____to create (创造) a “real-life” situation(情景) for my students to practice with. I feel now is not the right time for me to___6____
here and spend my life in a university. I want to work in a place where I can___7____what I've learnt: my knowledge of English and French. I also want to know more about other things.
I know that___8____I leave the university, I shall start from the beginning in some ways, but I'm___9____to learn, to work hard to keep up with others and then, if possible, surpass(超过) them. English can be a good tool to help me. It is a___10____to an end, but not the end itself.
( ) 1. A. visiting B. working C. studying D. playing
( ) 2. A. know B. think C. excuse D. hear
( ) 3. A. whether B. what C. how D. why
( ) 4. A. pictures B. covers C. pages D. theory
( ) 5. A. failed B. enjoyed C. decided D. needed
( ) 6. A. study B. work C. travel D. wait
( ) 7. A. learn B. finish C. worry D. use
( ) 8. A. if B. before C. until D. even
( ) 9. A. free B. slow C. ready D. polite
( ) 10. A. language B. means C. life D. Story
查看习题详情和答案>>阅读理解
Bats are the only flying mammals in the world. They can't see very well. It was long believed, and still is in many places, that all bats are blind. “Blind as a bat” is often heard. Yet they have no trouble flying in the darkest nights and finding their way around very well. How can bats fly and see at night? They fly by radar. The bat's radar system works the same way as the one that ships and planes use. As a bat flies through the air, he makes a sound that is too high for our ears to hear. If the sounds hit things they come back. The bat's ears receive the messages. In this way they are able to tell the bat where the things are. Bats go out to look for food at night. In the daytime they hang in some dark places. Some people have the bats as bad animals. In fact they are useful animals.
1.The bat is________.
[ ]
2.“blind as a bat” means a person who is ________.
[ ]
A.blind in both eyes
B.blind in neither of the eyes
C.not able to see well
D.able to see anything well
3.Bats have no trouble flying in the darkest nights because ________.
[ ]
A.they have very poor sight
B.they have a kind of radar system to help them
C.they have to look for food
D.they can see things in the dark nights
4.Bats go out to look for food ________.
[ ]
A.at noon
B.in the afternoon
C.during the daytime
D.after the sun sets and before the sun rises
5.Bats are ________.
[ ]
Bats are the only flying mammals(哺乳动物) in the world. They can't see very well. It was long believed that all bats are blind. “Blind as a bat” is often heard.
Yet they have no trouble flying on the darkest nights and finding their way around very well. How can bats fly and see at night? They fly by radar(雷达).
The bat's radar system(雷达系统) works the same way as the one that ships and planes use. As a bat flies through the air, he makes a sound that is too high for our ears to hear. When the sounds hit things, they come back. The bat's ears receive the messages. In this way they are able to tell the bats where the things are.
Bats go out to look for food at night. Some people have the bats as bad animals. In fact, they are useful animals.
1.This article (文章) tells us about ________ .
[ ]
A.the bat like a bird with things
B.the radar
C.a blind man
D.the bat used for playing table tennis
2.The bat is ________ .
[ ]
3.“As blind as a bat” means a person who is ________ .
[ ]
4.Bats have no trouble flying on the darkest nights because ________ .
[ ]
A.they have very poor sight(视力)
B.they have a kind of radar system to help them
C.they have to look for food
D.they can see things in the dark nights
5.Bats go out to look for food ________ .
[ ]
A.at noon
B.in the afternoon
C.during the day-time
D.after the sun sets and before the sun rises
查看习题详情和答案>>完形填空
Do you own a camera? Undoubtedly-and you might even have more than one. You probably use 1 often, too. Just slip a camera in your backpack or pocket, and you're off to record your activities on film. But before 1888, you would have needed a wagon or a pack horse to 2 all the necessary equipments just to take one photograph. Early cameras were the size of microwave ovens! But George Eastman changed the 3 the world took pictures.
Born in upstate New York on July 12,1854, George Eastman was the 4 of the three children. His father died when George was a young boy. George tried to stay in school, but was forced to quit at 14 and work to support his 5 . He did mental jobs during the day. At night he studied accounting, hoping to get a better job. In 1874, Rochester Savings bank hired him as a junior clerk for fifteen dollars a week.
A friend introduced George to photography when he was 24 years old. George loved 6 pictures, but he didn't like the complicated process. He wanted to simplify photography so everyone could 7 it. He worked for years to invent something to replace the heavy glass plates that photographers used. When he succeeded, he started a company to produce his “film”-Kodak. Then he worked on 8 a simple camera. He wanted to make the camera “as easy to use as a pencil”.
When he introduced his camera in 1888, George coined the advertising slogan, “You push the button, we do the rest.” People began 9 the cameras, and Kodak soon grew to be very large.
Most companies were not good to their employees in the 1800s. But George believed a company's 10 depended on its employees' good will and loyalty. Kodak became the first company to provide workers with insurance and retirement money. George also gave part of Kodak's profits to the employees every year.
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