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Since 1939, numerous scientific studies have been conducted to determine    1    smoking is a health threat. The    2    of the    3    has been consistent (constant) and indicates that there is a serious health risk. Research teams have conducted studies that show    4    all reasonable doubt that tobacco smoking, particularly cigarette smoking is    5    with a    6 life expectancy (time). Cigarette smoking is believed by most research workers in this    7   to be an important    8    in the development of cancer of the lungs and cancer of the throat and is believed to be related    9    cancer of other organs. Male cigarette smokers have a higher death    10    from heart disease than non-smoking males. (Female smokers are thought to be 11    affected because they do not breathe in the smoke    12    deeply.) The    13    of physicians and researchers consider these relationships proved    14    their satisfaction and say, “Give    15    smoking, if you don't smoke don't start!”

    Smoking does    16    to the lungs. Smoking also affects the heart and blood vessels. Smokers also die much more often    17    heart disease.

    While all tobacco smoking affects life expectancy and health, cigarette smoking appears to have a much greater effect than cigar or pipe smoking.    18  ,  nicotine consumption is not decreased by the latter forms, and current research indicates a    19    relationship between all forms of smoking and cancer of the mouth and throat. Filters and low tar tobacco are claimed to make smoking to some    20    safer, but they can only marginally reduce, not eliminate the threats.

    1

A. that                B. whether

C. what              D. which

    2

A. style               B. fashion

C. trend              D. drift

    3

A. matter              B. affair

C. exhibit              D. evidence

    4

A. to                 B. in

C. beyond             D. for

    5

A. associated           B. joined

C. mixed             D. tied

    6

A. cutting              B. shortened

C. lessening           D. lengthened

    7

A. field               B. part

C. aspect              D. ground

    8

A. point              B. key

C. factor             D. step

    9

A. of                B. on

C. by                D. to

    10

A. rate                B. ratio

C. pace               D. speed

    11

A. mentally            B. less

C. directly             D. strongly

    12

A. far               B. such

C. so                D. still

    13

A. few                B. majority

C. minority            D. most

    14

A. to                 B. for

C. with               D. of

    15

A. in                 B. up

C. away              D. out

    16

A. harm              B. injury

C. wound              D. hurt

    17

A. in                 B. from

C. with               D. by

    18

A. Moreover            B. Though

C. Therefore           D. However

    19

A. personal            B. intimate

C. causal             D. social

    20

A. area                B. length

C. size                D. extent

 

答案:B;C;D;C;A;B;A;C;D;A;B;C;B;A;B;A;B;D;C;D
解析:

1.Whether引导宾语从句,意思是“吸烟是否有害健康”。

2.3.意思是“迹象的趋势…”。

4.Beyond …doubt, 无疑地, 不容怀疑。

5.associate with sth.同…相关。

6.shortened life expectancy,缩短的平均寿命。

7.意思是“在这个领域中的”。

8.意思是“一个重要的因素”。

9.Be related to sth.同…有关系。

10.Death rate是“死亡率”的意思。

11.根据后文可知,妇女受的影响比较小。

12.So deeply,如此深地吸进烟气。

13.大多数医生和科研人员。

14.To one’s satisfaction, 令某人满意地。

15.Give up doing sth.放弃做某事。

16.Do harm to sth.对…有害。

17. Die from …死于…原因。

18.下面的内容表示转折,所以用however。

19. Causal relationship,因果关系。

20.To some extent,在某种程度上。

 


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A.associated
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A.cutting
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A.point
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