下列成为官定教科书和科举考试依据的理学著作是:()
A.
B.
C.
D.
参考答案:C
——How many of you made it to the top of the mountain in the end?
——______. It was really tough.
A.No one
B.Neither
C.None
D.Nobody
分布式数据有六种形式,下列哪个不属于分布式数据
A.复制的数据
B.子集数据
C.相容数据
D.划分数据