In country after country, talk of nonsmoker’s right is in the air. While a majority of countries have taken little (51) no action yet, some 30 nations have introduced legislated steps to control smoking. Many laws have been introduced in other countries to (52) clear the air for nonsmokers, or to cut cigarette consumption.
Smoking is harmful (53) the health of people. World governments should conduct serious campaigns against it. (54) on cigarette advertisements, plus health warnings on packages and ban on public smoking in certain places, (55) as theaters, cinemas and restaurants, are the most popular tools used by nations in (56) of nonsmokers or in controlling smoking. But world attention is also focusing on another step (57) will make the smoker increasingly self-conscious and uncomfortable about his habit. Great efforts should be made to (58) young people especially of the dreadful consequences of taking up the habit. And cigarette price should be raised.
In the long run, (59) is no doubt that everybody would be much better-off if smoking were banned altogether but many people are not (60) for such drastic action.
52().
A.assist
B.help
C.disgust
D.impact
参考答案：B
解析：
四个选项都是动词，空格后又是一动词，因此，所选的词必须符合这样的要求：该词后可以接一个省略to的不定式。四个选项中，只有B符合上述要求，因此B为正确答案。A选项意思上可以，但结构上不行。如果assist后接一表示动作的动词，它的习惯搭配是assist somebody in doing something (to do something).