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【多选题】
下列关于板式橡胶支座说法正确的是（ ）。A.
由几层橡胶和薄钢片叠合而成。
B.
利用橡胶的不均匀弹性压缩实现转角 。
C.
利用其剪切变形实现微量水平位移 。
D.
具有足够的竖向刚度。
E.
能将上部结构的反力可靠地传递给墩台。
F.
一般不分固定支座和活动支座
G.
正交桥梁一般采用圆形支座
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【单选题】No one in the world is perfect, and even famous people may have their _______. [ ]
A.
feet of clay
B.
cup of tea
C.
piece of cake
D.
hearts of gold
【单选题】______ 2010 Shanghai World Expo is a perfect opportunity to get ______ panoramic (全景的) view of the whole world without traveling thousands of miles.
A.
/; the
B.
The; the
C.
The; a
D.
/; a
【单选题】Speaking of Utopia, a popular explanation is that it’s an ideal world, or a perfect final _________ .
A.
settlement
B.
motivation
C.
profession
D.
dilemma
【简答题】老年心律失常病人预防猝死的护理措施有哪些?
【判断题】Decide whether the following statements are true or false according to Text B. “A world of perfect Ricardian economics” refers to a world without agricultural subsidies and of free trade. Therefore, W...
A.
正确
B.
错误
【单选题】Engineers can perfect the mechanism to all sorts of complicated real-world problems.
A.
Y
B.
N
C.
NG
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