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【单选题】
图示刚架EC杆E端的弯矩为(设内侧受拉为正):【图片】
A.
-1.5kN.m
B.
-9kN.m
C.
-6kN.m
D.
-12kN.m
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参考答案:
举一反三
【单选题】由物及心指的是下列哪一种诗歌表现手法?()
A.
B.
C.
D.
【简答题】A.Its colors. B.Its texture. C.Its sales. D.Its taste.
【单选题】What is Valencia famous for?
A.
Its seaport
B.
Its university
C.
Its churches and museums
D.
Its parks and gardens
【单选题】【C11】
A.
its discoverer
B.
its founder
C.
its inventor
D.
its discloser
【单选题】The clock has three hands _________.
A.
at its face
B.
on its face
C.
from its face
D.
in its face
【单选题】一对能满足齿廓啮合基本定律的齿廓曲线称为()
A.
齿轮线
B.
齿廓线
C.
渐开线
D.
共轭齿廓
【单选题】凡能满足齿廓啮合基本定律的一对齿廓曲线称为()
A.
相关齿廓
B.
共轭齿廓
C.
共线齿廓
D.
关联齿廓
【简答题】A. Its population B. Its development C. Its location D. Its history
【简答题】A.Its habit. B.Its genes. C.Its mental state. D.Its physical condition.
【简答题】A.Its eyes. B.Its face. C.Its wings. D.Its tail.
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