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You should not go rafting if you know how to swim, and you should always wear a
A B C D
life jacket.
查看习题详情和答案>>Every day，the news of the world reaches people by over 300 million copies of daily papers，over 400 million radio sets，and over 150 million television sets. Additional news is 1 by motion（动作） pictures，in theatres and cinemas all over the world. As more people learn what the important events of the day are， 2 still only care for the events of their own household. Nearly four hundred years ago the English writer John Donne said，“No man is an island.”This 3 is more appropriate（恰当的）today than it was 4 Donne lived. In short，wherever he lives，a man 5 to some society；and we are becoming more and more aware（清楚的） that ? 6 happens in one particular society affects，somehow，the life of mankind.?
Newspapers have been published in the 7 world for about four hundred years. Most of the newspapers 8 today are read in Europe and North America. However, 9 they may be read in all parts of the world， 10 to the new inventions that are changing the techniques of newspaper 11 .?
Electronics and automation（自动化） have made it 12 to produce pictures and texts far more quickly than before. Photographic（照相的） copying doesn't 13 to use type（铅字） and printing machines.And fewer specialists（专家）， 14 type?setters，are needed to produce a paper? or magazine by the 15 method. Therefore，the publishing of newspapers and magazines can 16 more money. Besides，photocopies can be sent over great 17 now by means of ?television channels and satellites such as Telstar. Thus（因此）， 18 can be brought to the public more quickly than before.?
Machines that prepare printed texts for photocopies are being used a great deal today. Film， 19 light and small，can be sent rapidly to other places and used to print copies of the text 20 they are needed. Film pictures can also be projected（投影） easily on a movie or television screen.?
1.A. taken B. shown C. seen D. known
2.A. fewer B. higher C. lower D. less?
3.A. study B. argument C. knowledge D. idea?
4.A. that B. while C. when D. then?
5.A. moves B. goes C. belongs D. comes?
6.A. it B. whatever C. something D. anything?
7.A. common B. modern C. ordinary D. usual?
8.A. bought B. printed C. found D. discovered?
9.A. fast B. suddenly C. immediately D. soon?
10.A. has B. brings C. thanks D. imagines?
11.A. delivering B. making C. selling D. publishing
12.A. clear B. possible C. bright D. successful?
13.A. want B. need C. like D. hope?
14.A. including B. besides C. such as D. except?
15.A. advanced B. easy C. unusual D. suitable?
16.A. make B. earn C. save D. get?
17.A. places B. distances C. cities D. villages
18.A. pictures B. newspapers C. letters D. words?
19.A. becoming B. feeling C. turning D. being?
20.A. where B. there C. which D. because of
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要求：
1．根据提示写一篇文章，论述电视对儿童的危害。
2．文章的开头已经给出，不计入总词数。
3．字数在100字左右。
提示：
1．看电视已成为大多数家庭生活的一部分，很多人认为，看电视对儿童不利。
2．看电视对儿童的不利影响是（某些节目不适合少年儿童，耽误学习，影响休息）……
3．因此……
Nowadays, watching TV has become part of people’s life in most families. Although there are many excellent programmes for children, many people…
查看习题详情和答案>>The _ 31_ teacher, Mr. Litmus, had asked his students to study some special animal. They would write a short report, and tell the rest of the class their conclusions(结论). Some talked about dogs, others about horses, and some chose fish. But the most interesting _32_ of all was made by little Sophie.
“I found that _33_ are terribly ill- tempered（脾气坏的）,” she said, very sure of herself.
Everyone smiled, waiting for her to _34_. Then Sophie explained, “I spent hours in my house, watching flies. When they flied _35_, everything was OK, but when they found a _36_ they would really be noisy. I had always thought they made that _37_ with their wings, but they don’t. With my daddy’s telescope I watched the flies really closely, and saw that what they were really _38_ was shouting and protesting. They were so hysterical (歇斯底里的) that they couldn’t fly out of the window, and they would just _39_ their heads against the glass again and again. If only they had _40_ the butterfly that passed by, they would have seen that the top of the window was _41_. The butterfly tried to tell them, but it had no _42_ at all. The flies just kept on shouting and complaining.”
Mr. Litmus was _43_, and explained to the class that that form of fly’s behavior had nothing to do with _44_. Instead, it was an example of animals having different _45_ of intelligence .
And this was what _46_ a big disorder in the science class. Many parents had to come and complain because their children had _47_ their parents among the least intelligent of creatures! This, said the children, was because the parents did nothing but complain, and they _48_ listened to anyone.
Mr. Litmus had to do a lot of explaining, and quite a few parents _49_. It helped some of them realized that, although they weren’t _50_, they often behaved not terribly intelligently.
31. A. geography B. head C. physics D. science
32. A. discovery B. invention C. activity D. direction
33. A. insects B. flies C. butterflies D. bats
34. A. cheer B. begin C. discuss D. continue
35. A. quickly B. repeatedly C. normally D. directly
36. A. door B. window C. light D. wall
37. A. force B. wind C. result D. noise
38. A. finding B. hating C. doing D. imagining
39. A. shook B. leaned C. beat D. turned
40. A. watched B. obeyed C. caught D. heard
41. A. shut B. windy C. open D. clean
42. A. effect B. wonder C. doubt D. reason
43. A. worried B. amused C. encouraged D. learned
44. A. pleasure B. excitement C. joy D. anger
45. A. levels B. areas C. senses D. fields
46. A. removed B. caused C. reduced D. solved
47. A. respected B. listed C. separate D. admitted
48. A. never B. always C. almost D. already
49. A. turned up B. gone back C. calmed down D. held on
50. A. poor B. busy C. serious D. stupid
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