36.In this passage the author puts an emphasis on
A.the consequence of smoking among children.
B.the difficulty in prohibiting children from smoking.
C.the causes of smoking among children.
D.the solution to ban smoking among children
37.Which of the following is a common characteristic of young smokers
A.Disobedience.
B.Laziness.
C.Abstinence.
D.Vanity.
38.Which of the following is NOT true according to the passage
A.Some children start to smoke out of curiosity and vanity.
B.Many children start to smoke because they want to appear mature.
C.In order to have fewer children smokers,parents,teachers and health care workers should set examples.
D.It is not as difficult to prevent children from starting to smoke as to dissuade adults from smoking..
39.The writer concludes that school rules to forbid smoking
A.hould be introduced,for it really works at the school.
B.should not be introduced,for it may cause disturbance.
C.should be introduced though it may not work effectively.
D.needn't be introduced as long as teachers don't smoke.
40.The author's attitude towards his writing is
A.Objective.
B.Emotional.
C.Critical.
D.Indifferent.
参考答案：BADCA
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