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【单选题】
实心或空心圆轴扭转时,已知横截面上的扭矩为T,在所绘出的相应圆轴横截面上的剪应力分布图如下图所示中( )是正确的。
A.
图a
B.
图b
C.
图c
D.
图d
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A.
He was looking forward to seeing the giraffes.
B.
He enjoyed watching the animal performance.
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He got home too late to see the TV special.
D.
He fell asleep in the middle of the TV program.
【单选题】-Did you watch the football game on TV last night? -Yes,I did.It was________,and I enjoyed every minute of it. [     ]
A.
alive
B.
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A.
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B.
肿瘤有否继发改变
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A.
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A.
have read
B.
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A.
have read
B.
had read
C.
should have read
D.
read
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A.
进入从动轮
B.
退出主动轮
C.
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D.
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A.
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B.
She wishes she had gone to sleep earlier.
C.
She especially enjoyed the end of the program.
D.
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