23. The word bested most probably means ________.
A) beat B) envied
C) caught up with D) made the best of
注:词汇题,根据第5段末句的意思可推断为A选项。
24. Which of the following statements is true?
A) Active smokers in general performed better than deprived smokers.
B) Active smokers responded more quickly than the other subjects.
C) Non-smokers were not better than other subjects in performing simple tasks.
D) Deprived smokers gave the slowest responses to the various tasks.
注:C选项是第一个实验结果deprived smokers and non-smokers performed equally well
Questions 16 to 20 are based on the following passage:
16. According to the author, the sonar system of bats
is an example of the idea that ____.
A) this is the age of technological triumphs
B) modern machines are inefficient
C) living mechanisms are often more efficient than man -made machines
D) artificial imitations are always less efficient than living mechanisms
17. The author suggests that the sonar system of bats ____.
A) was at the height of its perfection 50 million years ago
B) is better than man-made sonar because it has had 50 million years to be be refined
C) should have been discovered by man many years ago
D) is the same as it was 50 million years ago
18. Echo location in this article means the _____.
A) location of echoes
B) ability to determine where an echo comes from
C) scientific term for sound waves
D) ability to locate unseen objects by echoes
19 This article was written to illustrate ____.
A) the deficiencies of man-made sonar
B) the dependence of man upon animals
C) that we are living in a machine age
D) that the sonar system of bats is remarkable
20. The following is the main point of the article:____
A) A bat will catch hundreds of insects in a single hour.
B) There is a perfection in nature which sometimes can not be matched by mans creative efforts.
C) The phrase blind as a bat is valid.
D) Sonar and radar systems of man are inefficient.
Questions 16 to 20 are based on the following passage:
In these days of technological triumphs, it is well to remind ourselves from time to time that living mechanisms are often incomparably more efficient than their artificial imitations. There is no better illustration of this idea than the sonar system of bats. It is billions of times more efficient and more sensitive than the radars and sonars designed by man.
注:1.triumph 胜利,成功 2.it is well to 有必要
3.incomparably 不可比地 4.第一句主题句:天然胜于人工 artificial 人工的5.illustration 例证,本段末句强烈结论
雅思词汇:艺术词汇
雅思分类词汇:体育-一般词汇
雅思词汇:信用卡相关用语
雅思分类词汇 :足球篇
雅思词汇:中国人民团体名称
雅思分类词汇 : 乘机旅行
雅思词汇:体育-游泳篇
雅思分类词汇:关于城镇描述的词汇
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英式英文与美式英文词汇的差异
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分类词汇 : 常用女子名写法
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雅思词汇:体育-体育项目、竞技
雅思词汇:法庭与法律用语
雅思词汇:世贸相关词汇
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雅思口语词汇:花卉词汇
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雅思分类词汇:度量衡词汇
雅思分类词汇:球类词汇
雅思词汇:计算机词汇
雅思词汇:公共标志
雅思分类词汇:音乐术语
雅思词汇与句型总结
雅思分类词汇:动物篇
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