2012高考英语二轮复习专题限时训练（湖南专用）18 说明文型完形填空

a survey done by the university of michigan shows a big drop in the number of teenagers who say they smoke cigarettes.

in the survey, over 44,000 students in grades 8, 10 and 12, from 424 schools across the   __1__  were asked about their smoking habits. the results show that smoking among 8th graders   __2__  from 21 percent in 2002, to 12 percent in 2007.in the same period, smoking dropped from 30% to 21 % among 10th graders and from 37 % to 30 % among 12th graders.

anti­smoking organizations think educating kids about smoking risks are the   __3__   of the drop. “the important   __4__   in teen smoking did not just happen by chance，” says study director lloyd d．johnston. “a lot of individuals and organizations have been trying to   __5__   the high rates of teenagers.”

others say the   __6__   price of cigarettes is an important reason teens are cutting back.

  __7__   the reason, the drop in teen smoking is good news to everyone, even cigarette­making companies who   __8__   their product is only for adults, not kids. health experts are particularly  paying attention to teenage smoking habits   __9__   lifetime smokers often get hooked on smoking at an early age.

but some say that the new figures aren’t exactly cause for   __10__  . while it is true fewer teens are smoking today than five years ago, the rate of teen smoking is still higher than it was.

cigarette smoking is the   __11__   cause of preventable death and disease in this country. “our survey   __12__   that a lot of teens still do not understand the dangers of smoking, particularly the younger teens，” johnston said.

　　　　　　　　　　　　　

 

(　　)1.a.country         b．school    

c．city          d．university

(　　)2.a.went up         b．came up   

c．went down     d．came over

(　　)3.a.result          b．cause     

c．reason        d．excuse

2012高考英语二轮复习专题限时训练（湖南专用）18 说明文型完形填空

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