2. 外语
  3. Smoking, which may be a pleasure for some people, is a serious source of discomfort for their fellows.【C1】______ , medical autho

Smoking, which may be a pleasure for some people, is a serious source of discomfort for their fellows.【C1】______ , medical autho

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问题       Smoking, which may be a pleasure for some people, is a serious source of discomfort for their fellows.【C1】______ , medical authorities express their【C2】______ about the effect of smoking【C3】______ the health not only【C4】______ those who smoke but also of those who do not. In fact, non smokers who must【C5】______ inhale the air polluted by tobacco smoke may【C6】______ more than the smokers themselves.
      As you are doubtlessly【C7】______ , a considerable number of our students have  【C8】______ in an effort to  【C9】______ the university to ban smoking in the classrooms. I believe they are 【C10】______ tight in their aim.【C11】______ , I would hope that it is【C12】______ to achieve this by【C13】______ the smokers to use good judgment and show concern 【C14】______ others rather than by regulations.
     Smoking is【C15】______ by City laws in theaters and in hails used for【C16】______ films as well as in laboratories where【C17】______ be a fire hazard. Elsewhere, it is up to your good sense. I’m【C18】______ asking you to maintain 【C19】______  in the auditoriums, classrooms and seminar rooms. This will prove that you have the non-smoker’s health and well-being【C20】______ , which is very important.
【C18】
选项 A、thereafter
B、therefore
C、subsequently
D、so
答案B
解析 therefore：因此、为此，thereafter：此后、以后subsequently；后来，结果，so是连词，应置于句首。因此正确答案是B。
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