[单项选择]The efforts against adolescents' smoking doesn't have desirable effect mainly because ______.
A. the anti-smoking advertisements are not convincing owing to their exaggeration
B. the teenage smokers developed the habit of smoking out of the compulsory pressure from their schoolmates
C. smoking is a relatively low-costing bad habit
D. one can always get cigarettes in pubs when vending machines are removed

[单项选择]International efforts against Serbia have been ineffective because ______.

[单项选择]Man: Didn't you advise Frank against smoking
Woman: Yes, but whatever I say to him goes in one ear and out the other.
Question: What does the woman mean

[单项选择]Smoking does great harm to our health.（）is smoking allowed in public places.
A. In no time
B. At a time
C. At all times
D. At no time

[单项选择]A major problem with most adolescents who can read is ______.


A. their fondness of music and TV programs
B. their ignorance of various forms of art and literature
C. their lack of attentiveness and basic understanding
D. their inability to focus on conflicting input

[单项选择]A major problem with most adolescents(青少年)who can read is______.


A. their fondness of music and TV programs
B. their ignorance of various forms of art and literature
C. their lack of attentiveness and basic understanding
D. their inability to focus on conflicting input

[单项选择]Smoking will interfere （　） health.
A. in
B. to
C. with
D. do

[单项选择]Through efforts by several environmental societies, the American buffalo is no longer in danger of becoming an______ species.


A. offensive
B. extinct
C. distinct
D. withered

[单项选择]Greater efforts to increase agricultural production must be made if food shortage （） avoided.
A. is to be
B. can be
C. will be
D. has been

[单项选择]Many cities have restricted smoking in public places．
A. limited
B. allowed
C. stopped
D. kept

[单项选择]Canada will prohibit smoking in all offices later this year.
A. ban
B. remove
C. eliminate
D. expel

[单项选择]There should be laws that prohibit smoking around children.（　）
A. forbid
B. advocate
C. inherit
D. withdraw

[单项选择]I have been trying to quit smoking.
A. give up
B. pick up
C. build up
D. take up

[单项选择]

A
Cigarette smoking is believed by most research workers in this field to be an important factor in the development of cancer of the lungs and the throat and is believed to be related to cancer of the bladder(膀胱) and the oral cavity(口腔). Male cigarette smokers have a higher death rate from disease than non-smoking males.
Female smokers are thought to be less affected because they do not breathe in the smoke so deeply. The majority of physicians and researchers consider these relationships proved to their satisfaction and say. "Give up smoking. If you don’t smoke, don’t start. "Some physicians and research workers though their small number is dwindling(减少)even further are less sure of the effect of cigarette smoking on health. They consider the increase in repiratory (呼吸的)diseases and various forms of cancer may possibly be explained by other factors in the complex human environment-atmospheric (大气的) pollution, increased nervous stress,
A. critical
B. approving
C. questioning
D. fond of it