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问题 选择题

My English teacher is ______ person.       [ ]

A. a experience                                                

B. an experience      

C. an experienced                                              

D. a experienced

答案

答案：C

选择题

The warning of the storm, ______ over the radio and on TV, spread quickly through the province.

A．broadcasting

B．having broadcast

C．broadcast

D．to be broadcast
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单项选择题

有如下两个关系： 成绩关系SC(主键：学号，外键：课号)

A．学号

B．课号

C．分数

D．000101

E．C601

F．90

G．000110

H．C602

I．85

J．

000103

K．C601

L．80
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