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【判断题】
梁发生平面弯曲时，梁的轴线必变形成荷载作用平面内的平面曲线。A.
正确
B.
错误
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【单选题】Do you know Tom,the manager of that company? -Of course,I know him,By next month,I______him for 10 years.
A.
know
B.
knew
C.
will know
D.
will have known
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