2. 考研
  3. Smoking, which may be a pleasure for some people, is a serious source of discomfort for their fellows. Medical authorities expre

Smoking, which may be a pleasure for some people, is a serious source of discomfort for their fellows. Medical authorities expre

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问题     Smoking, which may be a pleasure for some people, is a serious source of discomfort for their fellows. Medical authorities express their【31】about the effect of smoking on the health not only【32】those who smoke but also of those who do not. In fact, nonsmokers who must involuntarily inhale the air polluted by the tobacco smoke may【33】more than the smokers themselves.
    As you are doubtless aware, a considerable number of our students have【34】an effort to【35】the university to ban smoking in the classrooms. I believe they are entirely right in their aim.【36】, I would hope that it is possible to achieve this by【37】on the smokers to use good judgment and show concern for others rather than【38】regulation.
    Smoking is prohibited by city laws in theaters and in halls used for showing films as well as in laboratories【39】there may be a fire hazard. Elsewhere, it is up to your good sense.
    I am therefore asking you to maintain "No Smoking" in the auditoriums and classrooms. This will prove that you have to keep nonsmokers’ health and well-being【40】, which is very important to a large number of our students.
选项 A、joined
B、directed
C、joined in
D、directed at
答案C
解析 join意思是“成为……的一员”，join in sth.意思是“加入某活动中，一起做某事”，从上下文的意思看，C项join in更为合适。本题的四个选项提示考生应填一个动词，direct sb. to do sth.为“指示，命令某人做某事”，而directs sb. to do sth. 放在文中不仅意思不对，而且用法也不对，因此B项是错的。directs sb. at sth.为“使……转向或对准某一方向”，而D项中direct与at连在一起，中间没有宾语，在意思及用法上均不对。
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