I __Xiao Mao since she was a little girl_爱下问搜题

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问题选择题

I __Xiao Mao since she was a little girl.

A．know

B．knew

C．have known

D．had known

答案

答案：C

填空题

若|a|=4，|b|=3，且a，b同号，则|a-b|=______．

单项选择题

下面表示段定义结束的命令是______。

A．ENDP

B．ENDS

C．ENDM

D．END