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问题
选择题
自然数的基本计数单位是( )
A.0
B.1
C.10
D.100
答案
答案:
B
选择题
— Have you finished reading Jane Eyre?
— No, I _____ my homework all day yesterday.
A. was doing
B. would do
C. had done
D. do
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问答题 简答题
中国电信集团公司着力打造六大产品基地是?
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