题目内容

She _____ have a little brother. She is the only childin her family.

A. isn’t
B. don’t
C. doesn’t

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When Bill _____, please ask him to wait for me.

A. comes
B. coming
C. came

—What _____ your father do?—He_____ a famous singer.

A. do; is
B. does; is
C. does; are

在数控程序中,GOO指令命令刀具快速到位,但是在应用时( )

A. 必须有地址指令
B. 不需要地址指令
C. 地址指令可有可无
D. 可以是其他符号

程序号为程序的开始部分,为了区别存储器中的程序,每个程序都要有程序编号,在编号前采 用程序编号地址码。如在FANUC系统中,采用英文字母( )作为程序编号地址。

A. O
B. N
C. P
D. Q

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