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【单选题】
生物的生殖是生命的基本特征，生物的无性生殖和有性生殖的根本区别在于 [ ]A.
有无人工参与
B.
是否只由一个母体完成
C.
有无细胞组成
D.
有无两性生殖细胞的结合
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皮皮学刷刷变学霸
举一反三
【单选题】What can you suppose is true of the group's report?
A.
It has three sentences.
B.
It must describe clouds.
C.
It is not due until several days.
D.
It is about the stars and planets.
【简答题】电路的三种工作状态是通路、 、短路。
【简答题】阅读理解。 John liked chocolate (巧克力) very much., but his mother never gave him any, because they were bad for his teeth, he thought. John had a very nice grandfather. The old man loves his grandson very m...
【简答题】电路的三种工作状态是通路、开路 、
【单选题】Suppose P(AB) = 0, it is conclused that ( ).
A.
A is disjoin from B
B.
A and B are independent
C.
P(A) = 0 or P(B) = 0
D.
P(A - B) = P(A)
【简答题】6. John gave his
wife a bouquet of beautiful red roses. A. Correct B. Incorrect
【简答题】电路的三种工作状态是通路、 、 。
【单选题】When John was a student, his father gave him a monthly______ towards his expenses.
A.
allowance
B.
salary
C.
wage
D.
money
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