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【简答题】
A．take B．produce C．combine D．compare
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皮皮学刷刷变学霸
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【判断题】近代卫星大地测量中的卫星激光测距定位应用了测距交会定位的原理和方法。虽然用于激光测距的卫星(表面上安装有激光反射器)是在不停地运动中,但总可以利用固定于地面上三个已知点上的卫星激光测距仪同时测定某一时刻至卫星的空间距离d1、d2、d3,应用测距交会的原理便可确定该时刻卫星的空间位置。
A.
正确
B.
错误
【单选题】听力原文：It is impossible for me to read all the books on the reading list within such a short time, because there are more than fifty. (28)
A.
There are too many books for me to read within such a short time.
B.
Although there are too many books, I can finishing reading in time.
C.
The reading list is long enough for me to finish reading.
D.
I prefer a longer reading list.
【单选题】The instructor asked us to list anything in our past that we felt __________ of, regretted and read our lists aloud. [ ]
A.
ashamed
B.
afraid
C.
sure
D.
proud
【简答题】在正弦交流电路中，有功功率与视在功率地比值叫做电路的（）。
【单选题】At the beginning of this term, our English teacher ______ a list of books for us to read.
A.
turned out
B.
made out
C.
handed in
D.
passed on
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