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问题 选择题

The sculptor completed his work on a sudden_______.    [ ]

A. inspection                            

B. admiration  

C. contradiction                        

D. inspiration

答案

D

选择题

I ______ my Chinese teacher in the supermarket near my house, which was out of my expectation. [ ]

A. came out        

B. came across      

C. came about      

D. came along
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选择题

普钙是目前使用最广泛的磷肥，其主要成分是（   ）

A．Ca5(PO4)3F

B．Ca(H2PO4)2·H2O和CaSO4

C．Ca3(PO4)2和CaHPO4

D．CaHPO4和Ca(H2PO4)2
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