2. 外语
  3. Smoking, as it is proved in the whole world, may be a pleasure for some people. 【C1】______, all the scientists have pointed out

Smoking, as it is proved in the whole world, may be a pleasure for some people. 【C1】______, all the scientists have pointed out

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问题     Smoking, as it is proved in the whole world, may be a pleasure for some people. 【C1】______, all the scientists have pointed out that it is a serious source of【C2】______for their fellows. Now medical authorities express their【C3】______about the effect of smoking【C4】______the health not only of those who smoke but also of those who do not.【C5】______, nonsmokers who must【C6】______inhale the air polluted by tobacco smoke may【C7】______more than the smokers themselves.
    As you are【C8】______informed, a considerable number of students in our university have【C9】______in an effort to【C10】______the university to【C11】______smoking in the classrooms. I firmly believe that they are【C12】______right in their aim. However, I would hope that it is【C13】______to achieve this by calling【C14】______the smokers to use good judgment and show concern for others【C15】______than by regulation.
    Smoking is【C16】______by city laws in theatres and in halls used for showing films as well as in laboratories where there may be a fire hazard.【C17】______, it is up to your good【C18】______.
    I am therefore asking you to【C19】______"No Smoking" in the auditoriums, classrooms and seminar rooms for the sake of others. This will prove that you have the nonsmoker’s health and well-being【C20】______, which is very important to a large number of our students. And meantime, it won’t do any harm to your own health.
【C9】
选项 A、entered
B、joined
C、attended
D、involved
答案B
解析 习惯用法题 join in“参加”；enter“(及物动词)进入”；attend“(及物动词)出席”；be involved in“被牵涉其中”。
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