a-Fe是具有（）晶格的铁。
A、体心立方
B、面心立方
C、密排立方
参考答案：A
Many people were________ from our hotel during May Day holidays because all the rooms in our hotel had been engaged.
A．turned over
B．turned out
C．turned away
D．turned in
旅行社超范围经营包括哪些
