完形填空

The computer plays an important part in our everyday life. It is one of the great __41__ in the world in the __42__ century. It works for us not only at home, in the offices, in big shops, __43__ at schools. Today it is used __44__ many ways. It really __45__ the world large wealth (财富) and happiness.

The first computer in the world was __46__ Enid. It was built in America in 1946. It was __47__ and heavy. __48__ it was born, it has been developing very fast. Until now it has gone __49__ four periods and changed a lot. There are many kinds of computers. Computers are getting smaller and smaller and computing faster and faster. It becomes more and more __50__.

The computer can do most of the things __51__ people. It can help us to __52__ about the real world more quickly, to learn __53__ we want to learn and to think __54__ ourselves. __55__ a student in the twenty-first century, you must work hard at it.

41.A. inventions B. discoveries C. robots D. inventors

42.A. twenty-first B. twenties C. twelfth D. twentieth

43.A. also B. but also C. too D. either

44.A. in B. to C. by D. over

45.A. takes B. helps C. gets D. brings

46.A. found B. invented C. called D. bought

47.A. easy B. small C. large D. light

48.A. For B. Until C. When D. Since

49.A. by B. across C. through D. against

50.A. serious B. harmful C. dangerous D. helpful

51.A. for B. to C. at D. with

52.A. set B. tell C. know D. talk

53.A. what B. that C. which D. who

54.A. of B. about C. out D. for

55.A. For B. Be C. As D. To

答案跳转

军考资讯微信公众号	2021军考交流群