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将/home/stud1/wang目录做归档压缩，压缩后生成wang.tar.gz文件，并将此件保存到/home目录下，实现此任务的tar命令格式______。
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A. are
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Professor Wang said that he would rather his student Jane__________ to the conference．
A.go
B.went
C.gone
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Wang: _________.
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Wang：Mr．Black，I‘m afraid we have to change the appointment.
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Mr．Black：No，that’S all right．
A.Do vou mind
B.Do you‘agree
C.How do you feel
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