大学英语三级B级-阅读理解(三)(总分：25.00，做题时间：90分钟)一、单项选择题(总题数：5，分数：25.00)Task 6The sense of sound is one of our most important means of knowing what is going on around us. Sound has a wasted product, too, in the form of noise. Noise has been called unwanted sound. Noise is growing and it may get much worse before it gets any better.Scientists, for several years, have been studying how noise affects people and animals. They are surprised by what they have learned. Peace and quiet are becoming harder to find. Noise pollution is a threat that should be looked at carefully.There is a saying about it being so noisy that you can't hear yourself think. Doctors who study noise believe that we must sometimes hear ourselves think. If we don't, we may have headaches, other aches and pains, or even worse mental problems.Noise adds more tension (紧张) to a society that already faces enough stress.But noise is not a new problem. In ancient Rome, people complained so much about noise that the government stopped chariots (四轮马车) from moving through the streets at night!Ways of making less noise are now being tested. There are even laws controlling noise. We cannot return to the "good old days" of peace and quiet. But we can reduce noise--if we shout loudly enough about it.（分数：5.00）(1).Why are scientists surprised by the findings in their noise study?（分数：1.00）A.Because the world is becoming more and more noisy. √B.Because they have learned that noise is also a kind of pollution.C.Because noise is an unwanted waste for human beings.·D.Because people knew little about the danger of noise before.解析：细节判断题。
第二段第三、四句话解释了原因：和平安静的地方很难找到，噪音对人类是一种威胁，人们应认真对待。
(2).What may be the result if we cannot hear ourselves think?（分数：1.00）A.We may forget what we have thought about.B.Our thoughts may be interfered.C.Our mind may be harmed. √D.We may have difficulty using the right words.解析：细节辨认题。
从文中第三段的If we don’t，we may have headaches，other aches and pains，or even worse mental problems．这句话可知：如果我们听不到自己的声音，可能会产生头痛、其他疼痛，甚至会出现更糟糕的大脑问题。
`(3).When the writer says we cannot return to the "good old days", he means that ______（分数：1.00）A.our society is becoming much worse than beforeB.in our modern society it is hard to lead a quiet life √C.the old days were much happier than the presentD.it is impossible for us to deal with noise as we did before______解析：推理题。
从文章最后一段可知B是正确的。
(4).From the last sentence of the passage we can learn that（分数：1.00）A.we can put noise under control if our measures are effective@B.sometimes we have to shout loudly so that others can hear usC.shouting is a chief cause of noise pollutionD.it is important to warn people of the danger of noise pollution √解析：推理题。
问题：从文中最后一句话我们可得知什么?D是正确的。
(5).Which of the following is TRUE according to the passage?（分数：1.00）A.Only recently did people realize the harmfulness of noise.B.Noise pollution is the worst kind of pollution we suffer from.C.People are now trying to find ways to make noises as low as possible. √…D.The writer thinks that it is almost impossible for people to avoid noise.解析：细节判断题。
C选项“人们正在努力寻找尽可能降低噪音的方法”文中没有提到。
Task 7Life in the twentieth century demands preparation. Today, all individuals in a country must have adequate schooling to prepare them for their work as well as for their responsibilities as citizens. With this in mind, national leaders everywhere are placing more emphasis on the education of the young.In the United States, government officials, parents, and teachers are working hard to give the children -tomorrow's decision makers -the best preparation available. There is no national school policy in the United States. Each of the fifty states makes its own rules and regulations for its schools, but there are many similarities among the fifty school systems. Public schools in all states are supported by taxes paid by the citizens of the individual state.In most states the children are required to attend school until they reach the age of six. When they become six years old, children begin elementary school. After six years in elementary school, they go into junior high school and remain there for three years. The last three years of their public school education are spent in senior high school, from which they graduate at the age of eighteen.A great number of high school graduates continue their education in one of the many colleges or universities in the country. After four years, they receive a Bachelor's degree. Some continue studying for a Master's degree and perhaps a Doctor' s degree.（分数：5.00）(1).At what age does a child in the United States enter elementary school?（分数：1.00）A.16.B.6. √C.8.D.7.》解析：细节辨别题。