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【单选题】
题目同 2 ,如果用 cm -1 表示该线宽,是多少?A.
4.93x10 -15 cm -1
B.
5.07x 10 -2 cm -1
C.
5.43x 10 -15 cm -1
D.
4.6x 10 -2 cm -1
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【单选题】Find ways to praise your children often, ____ you’ll find they will open their hearts to you.
A.
till
B.
and
C.
or
D.
but
【单选题】To walk among me stars has been a dream of human kind since the beginning of time, wandering among the heavens that inspire legends and fantasies across the ages. Today, that dream has become a realit...
A.
a competition exclusively between the United States and the Soviet Union
B.
the path by which the realization of yesterday's dreams was fulfilled
C.
won by the United States, which achieved the most impressive victory
D.
a competition that resulted in great leaps in human technology and growth
【单选题】Aspects of the Sun Since the beginning of time, human beings have been fascinated by the dramas unfolding in the firmament above--the shifting arch of the sun, the changing faces of the moon, the regu...
A.
computers.
B.
desires.
C.
humans.
D.
relationships.
【单选题】采用"灯光旋转法"并车,三个同步指示灯应______,电压同相时,同步指示灯应______。
A.
一相灯接在对应相上，另两灯接在交叉的两相上／对应相灯灭，另两灯一样亮
B.
三相灯接在互相交叉的三相上／三个灯一样暗
C.
一相灯接在对应相上，另两灯接在交叉的两相上／对应相灯亮，另两灯灭
D.
三相灯接在互相交叉的三相上／三个灯一样亮
【简答题】汇率兑换程序。按照温度转换程序的设计思路,按照1美元=6元人民币汇率来编写一个美元到人民币的兑换程序。 (说明:请在答题框中输入程序,并上传运行结果的截图)
【单选题】听力原文： The London Borough of Camden provides many services for elderly residents,among which are the preparation for retirement courses.These courses,lasting for ten afternoons,are run three times a ye...
A.
They are offered for those with an interest in the courses.
B.
Employers and employees in a company are both welcome.
C.
People who will retire in a few years are the target students.
D.
Students from a normal university can attend the courses.
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