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【单选题】

What happened to the Crystal Palace in 1936

A.
It was destroyed in a fire.
B.
It was destroyed in a flood.
C.
It was destroyed in an earthquake.
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参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【多选题】造成粘冲的原因( )。

A.
压力过大
B.
颗粒含水量过多
C.
冲模表面粗糙
D.
润滑剂用量不足
E.
崩解剂加量过少