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【单选题】
Obviously these are all factors affecting smooth operation, but the underlying problem is still to be identified.A.
operational
B.
fundamental
C.
operating
D.
underneath
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反馈参考答案：
举一反三
【判断题】Should the names of the books be underlined in handwritten type or italicized in printing?
A.
正确
B.
错误
【简答题】[ A] given names [B] frrst names [ C ] family names [ D] full names
【单选题】When the sisters write books, they use strange names instead of their own names, why?
A.
their own names are not good
B.
men writers will be better accepted.
C.
people prefer strange names
D.
strange names are unique
【简答题】若点（a+1，3）与点（-2，b-2）关于x轴对称，则点P（-a，b）关于原点的对称点坐标是______．
【简答题】Names of books should be in ______.
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