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【简答题】
How Good Are US Drivers? The CBS-TV“National Drivers’ Test”,showed that many US drivers have a lot to learn.Here’s why. CBS picked 1799 sample drivers to take the test in TV studios in New York,Philadelphia,Chicago,and Los Angeles.More than two out of five of the drivers failed the test.And the average score was the lowest passing mark—51 points out of a possible 80. Chicago drivers did best with an average of 53 points.Los Angeles drivers came next with 52 points.New York and Philadelphia drivers got 50 points—a failing score.Drivers with 50 points or less were rated“poorly informed”by the judges. Here are some of the test results: 1.Are men drivers better informed than women ones? Yes.Men averaged 52 points.Women got an average of 49. 2.Are older drivers better informed than younger drivers? No.Drivers under 26 averaged 52 points.Drivers from 27 to 45 averaged 51.Drives over 45 failed with a 48-point average. 3.Does education make a difference? Yes.College graduates averaged 52 points.High school graduates averaged 50.Those without high school diplomas(毕业证) got 48.And people who had taken driver education courses scored an average of 53 points—three more than those who hadn’t. 4.Does driving experience make a difference? Yes.Drivers with three or more years of experience averaged 51 points.Drivers with less experience averaged 49. Here are some surprising facts brought out by the test: 1.More than one out of three drivers did not know that a blinking red light means a full stop. 2.Three out of ten drivers did not know that an octagonal(eight-sided)sign means stop. 3.More than two out of three drivers did not know what to do when being“tailgated(追尾)”. The answer:slow down,drive to the right,and let the driver behind pass. The results of the test were turned over to the National Safety Council(委员会).They will help future safety planning. 小题1:The author’s purpose is to_________. A.prove that men are better drivers than women B.give you safe driving directions C.tell you the results of a national drivers’ test D.require you to get an education 小题2:From the information in this article,which of the following is TRUE? A.Older drivers are better informed than younger drivers. B.Experience makes a difference among drivers. C.Most drivers failed the test. D.Most people don’ t know what a blinking red light means. 小题3:The test covered the following areas about drivers except_________. A.education B.years of driving experience C.sex D.health 小题4:Which of the following as a group was rated“poorly informed”by the judges? A.Men. B.High school graduated drivers. C.Drivers from 27-45 years of age. D.Drivers with 3 or more years of experience.
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举一反三
【判断题】发现并准确描述问题是解决问题的前提
A.
正确
B.
错误
【单选题】树立改革创新的自觉意识,不包括
A.
增强改革创新责任感
B.
敢于突破陈规的意识
C.
善于学习外来文化内容
D.
大胆探索未知领域的信心
【单选题】在均衡的收入水平上,( )
A.
非自愿的存货积累为零;
B.
计划支出等于实际支出;
C.
GDP没有变动的趋势;
D.
上述各项都正确。
【单选题】增强改革创新本领的要求不包括 ( )
A.
保持锐意进取的精神风貌,进一步解放思想、与时俱进
B.
善于结合实际创造性推动工作,加强调查研究,坚持问题导向,精准施策发力
C.
善于运用互联网技术和信息化手段开展工作
D.
加强和改进党对群团工作的领导
【单选题】一对正常齿标准直齿圆柱齿轮传动,m=5mm,z1=20,z2=100。则中心距α=( )。
A.
100mm
B.
200mm
C.
300mm
D.
400mm
【简答题】学生在教师指导下为解决某个问题而进行探讨、辩明是非真伪以获得知识的教学方法称为________。
【多选题】关于理解,请选出正确的描述。
A.
光是理解问题如何被解决并不必然会形成您容易想起的记忆组块。这也是您可以在课堂中学会老师教的内容,但是如果您不适当地马上复习,当到了考前准备时,您会发现这些内容变得超难懂。
B.
理解与建构记忆组块无关
C.
您会发现当您自己真的会实做,那么您就是真的理解某事物了。
D.
研究的重要发现:当您开始要对某事物进行建构记忆组块,最重要的就是避免理解到底发生了什么事情。
E.
只要理解了,就会自动形成组块。
F.
在不懂的情况下,您是否能够建构组块?还是可以,但这通常是一个无用的组块, 因为那个组快与您所学的其他内容不兼容或无关联。
G.
理解就像是将潜在的记忆痕迹粘合在一起的强力胶。
H.
2
【简答题】什么叫焊接接头的可达性?
【简答题】已知-对外啮合标准直齿圆柱齿轮传动的标准中心距a=150mm,传动比i12=4,小齿轮齿数Z1=20。试确定这对齿轮的模数m和大齿轮的齿数Z2、分度圆直径d2、齿顶圆直径da2、齿根圆直径df2,
【简答题】什么叫焊接接头?焊接接头有哪些形式?
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