Which of the following is correct according to the text?

A． Of the criminals arrested in 1970, fifty-seven percent were youths below twenty five of age

B． Lack of education has little to do with the crime rate

C． Differences in state laws for death penalty also account for the increase of crime rate

D． Drug smuggling is the only product of too many shows and reports

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参考答案

答案解析

根据第三段“In the first place，some state laws provide a death penalty but some not．"可
知，有些州存在死刑刑罚而有些州并没有，导致了犯罪率上升。

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1
The author is worried about the fact that__________.

A． children may imitate what they have seen or read about crime

B． the more prosperous the United States is, the higher the crime rate becomes

C． citizens carrying guns will be punished

D． all the state laws will be punished

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2
The underlined word "penalty" is closest in meaning to__________.

A． Punishment

B． trial

C． accusation

D． execution

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3
根据下面内容，回答题
Many people believe the glare from snow causes snow-blindness. Yet, dark glasses or not, they find themselves suffering from headaches and watering eyes, and even snow-blindness, when exposed to several hours of "snow light".
The United States Army has now determined that glare from snow does not cause snow- blindness in troops in a snow-covered country. Rather, a man's eyes frequently find nothing to focus on in a broad expanse of barren snow-covered terrain. So his gaze continually shifts and jumps back and forth over the entire landscape in search of something to look at. Finding nothing, hour after hour, the eyes never stop searching and the eyeballs become sore and the eye muscles ache. Nature offsets this irritation by producing more and fluid which covers the eyeball. The fluid
covers the eyeball in increasing quantity until vision blurs,then is observed, and the result is total, even though temporary, snow-blindness.
Experiments led the Army to a simple method of overcoming this problem. Scouts ahead of a main body of troops are trained to shake snow from evergreen bushes, creating a dotted line as they cross completely snow-covered landscape. Even the scouts themselves throw lightweight, dark colored objects ahead on which they too can focus. The men following can then see something. Their gaze is arrested. Their eyes focus on a bush and having found something to see, stop scouring the snow-blanketed landscape. By focusing their attention on one object at a time, the men can cross the snow without becoming hopelessly snow-blind or lost. In this way the problem of crossing a solid white terrain is overcome.
To prevent headaches, watering eyes and blindness caused by the glare from snow, dark glasses are__________.

A． indispensible

B． useful

C． ineffective

D． available

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