中学英语

单选题 What is the author's attitude toward the environmental effects of pesticides.?

A. Pessimistic.
B. Indifferent.
C. Defensive.
D. Concerned.

参考答案:D进入在线模考
观点态度题。根据第二段中的“Forthe population as a whole,we must be moreconcerned with the delayed effects of absorbingsmall amounts of the pesticides that invisibly polluteour world.”可知,作者很关心杀虫剂污染环境的问题。pessimistic“悲观的,悲观主义的”;indifferent“漠不关心的,不感兴趣的”;defensive“防御的,保护的”;concerned“担心的,关心的”。故选D。

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1 In the author's view, the sudden death caused by exposure to large mnounts of pesticides________.

A. is not the worst of the negative consequences resulting from the use of pesticides
B. now occurs most frequently among all accidental deaths
C. has sharply increased so as to become the center of public attention
D. is unavoidable because people can't do without pesticides in farming

2 People tend to ignore the delayed effects of exposure to chemicals because________.

A. limited exposure to them does little harm to people's health
B. the present is more important for them than the future
C. the danger does not become apparent immediately
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3 It can be concluded from Dr. Rene Dubos's remarks that________.

A. people find invisible diseases difficult to deal with
B. attacks by hidden enemies tend to be fatal
C. diseases with obvious signs are easy to cure
D. people tend to overlook hidden dangers caused by pesticides