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【简答题】
设物体对轴L的转动惯量为I L ，对通过质心C平行于L轴的轴L C 的转动惯量为I C ，L C 与L的距离为a，试证I L =I L +ma 2 ，其中m为物体的质量，这一公式称为平行轴定理。
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【简答题】Today, I prepared the worst, saddest, least ____ lesson ever! I think you putting me on. Of course, I’m fooling you! And it’s a good thing that you responded with a phrasal verb, because that’s what w...
【单选题】30000 dollars is a lot of money, but it's _______ than we need. [ ]
A.
far more
B.
far much
C.
far less
D.
far little
【简答题】语法填空。 Opportunities don't come often. They come every once in a while. Very often, they come quietly and go by without 1 (notice). Therefore, it is 2 (advise) that you should value and treat them with...
【简答题】Opportunities don’t come often. They come every once in a while. Very often, they come quietly and go by without 小题1:(notice). Therefore, it is advisable 小题2: you should value and treat them with care...
【单选题】In Ms. Chen’s opinion, most of teachers are very responsible for their teaching. They prepared their lessons quite well. However, some of them, she guesses are good at research but ___________________...
A.
not very good at singing
B.
not very good at talking
C.
not very good at dancing
D.
not very good at teaching
【简答题】Today, I prepared the worst, saddest, least ____ lesson ever! I think you _______ me on. Of course, I’m _____ you! And it’s a good thing that you ______ with a phrasal verb, because that’s what we are...
【单选题】They prepared a very ______ meal for the bureau head only to be severely criticized.
A.
elegant
B.
elaborate
C.
eloquent
D.
elevated
【单选题】I think you can ____ to the new park. It’s a little far.
A.
by bus
B.
take a bus
C.
on foot
D.
walk
【单选题】I'm afraid I'll be there _______ five o'clock. It's a little far from here. [ ]
A.
on
B.
to
C.
in
D.
after
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