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【简答题】
The U.S. Department of Labor statistics(统计) show that there is an oversupply of college trained workers and that this oversupply is increasing. Already there have been more than enough teachers, engineers, physicists, aerospace experts, and other specialists. Yet colleges and graduate schools continue every year to turn out highly trained people to compete for jobs that aren’t there. The result is that graduates cannot enter the professions for which they were trained and must take temporary jobs which do not require a college degree. On the other hand, there is a great need for skilled workers of all sorts: carpenters, electricians, mechanics, plumbers, TV repairmen. These people have more work than they can deal with, and their annual incomes are often higher than those of college graduates. The old gap that white —collar workers make a better living than blue collar workers no longer holds true. The law of supply and demand now favors the skilled workmen. The reason for this situation is the traditional myth that college degree is a passport to a prosperous future. A large part of American society matches success in life equally with a college degree. Parents begin indoctrinating(灌输) their children with this myth before they are out of grade school. High school teachers play their part by acting as if high school education were a preparation for college rather than for life. Under this pressure the kids fall in line. Whether they want to go to college or not doesn’t matter. Everybody should go to college, so of course they must go. And every year college enrollments(入学) go up and up, and more and more graduates are overeducated for the kinds of jobs available to them. One result of this emphasis on a college education is that many people go to college who do not belong there . Of the sixty percent of high school graduates who enter college, half of them do not graduate with their class. Many of them drop out within the first year. Some struggle on for two or three years and then give up. 小题1:It’s implied but not stated in the passage that _______. A.many other countries are facing the same problem B.white-collar workers in the US used to make more money than blue-collar workers C.fewer students will prefer to go to college in the future D.the law of supply and demand has a strong effect on American higher education 小题2:Which of the following is NOT a reason why college enrollments go up every year? A.Many people believe that the only way to success is a college education. B.Many parents want their children to go to college. C.High school teachers urge their students to go to college. D.Every young man and woman wants to go to college. 小题3:By saying that “many people go to college who do not belong there”, the author means that _______. A.many people who are not fit for college education go to college B.many people who do not have enough money go to college C.many people who go to college drop out within the first year D.many people who go to college have their hopes destroyed 小题4:We can infer from the passage that the author believes that _______. A.every young man and woman should go to college B.college education is a bad thing C.people with a college education should receive higher pay D.fewer people should go to college while more should be trained for skilled jobs
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参考答案:
举一反三
【单选题】电路如图所示,电压表V1的读数为6V,电压源U的有效值为10V,则电压表V2的读数为 V。
A.
10
B.
4
C.
6
D.
8
【判断题】[电机理论类] 换向器是直流电动机特有的装置。
A.
正确
B.
错误
【单选题】将伯努力方程推广应用到实际黏性流体在管道中的流动时,需要考虑:
A.
直接应用
B.
用截面上的平均动能代替伯努力方程中的动能项
C.
必须计算黏性流体流动时因摩擦而导致的机械能损失
D.
同时考虑B、C中所列的因素
【单选题】将伯努力方程推广应用到实际黏性流体在管道中的流动时,需要考虑:
A.
直接应用
B.
用截面上的平均动能代替伯努力方程中的动能项
C.
必须计算黏性流体流动时因摩擦而导致的机械能损失
D.
用截面上的平均动能代替伯努力方程中的动能项和必须计算黏性流体流动时因摩擦而导致的机械能损失
【单选题】( )又称整流子,是直流电动机的特有装置,它由许多楔形铜片组成,各片间用云母或其他垫片绝缘,外表呈圆柱形,装在转轴上,在换向器表面压着电刷,使旋转的电枢绕组与静止的外电路一直相通,以引入直流电。
A.
定子
B.
转子
C.
机座
D.
换向器
【单选题】下列公文标题中正确的一项是
A.
渝东大学关于拨款的请示报告
B.
渝东大学关于经费的申请
C.
渝东大学关于划拨科技大楼专项建设经费的请示
D.
渝东大学关于建设科技大楼经费需求的报告
【判断题】换向器是直流电动机特有的装置。
A.
正确
B.
错误
【判断题】1995年中国土壤系统分类方法为多级系统分类制,即土纲、亚纲、土类、亚类和土族5种级别。()
A.
正确
B.
错误
【单选题】如图所示正弦稳态电路,电压表V1的读数为3V,V2的读数为1V,则V3的读数应为( )V。
A.
5
B.
6
C.
7
D.
8
【简答题】一正弦稳态电路如图a所示,图中电压表的读数为U=5V,U 1 =4V,U 2 =6V,试确定电压表读数U 3 (电压表读数为有效值,内阻设为无穷大)。
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