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【单选题】
SQL*PLUS显示student表结构的命令是A.
List student
B.
DESC student
C.
SHOW DESC student
D.
Show structure student
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A.
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B.
She is cooking
C.
She is doing some housework
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【单选题】What did Betty do last Sunday?
A.
She eats a whole pizza.
B.
She listened the music.
C.
She played the volleyball.
D.
She played the piano.
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