题目内容

[A] on [C] in[B] to [D] about

A. on
B. to
C. in
D. about

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[A] trip [C] business[B] works [D] travel

A. trip
B. works
C. business
D. travel

[A] buy [C] race[B] sell [D] see

A. buy
B. sell
C. race
D. see

下列标识符定义正确的是( )。

A. 3DATA
B. DATA__3
C. DATA3
DATA. 3

[A] famous [C] quick[B] superior [D] inferior

A. famous
B. superior
C. quick
D. inferior