What are the two speakers talking about?
A. How to interest people at a party.
B. How to give speeches to people at a party.
C. How to engage in small talk with people at a party.
D. How to find out what people are interested in at a party.
查看答案
What do you learn about John from the conversation?
A. He sounds nervous and unsociable.
B. He sounds boring and stupid.
C. He sounds forgetful and nervous.
D. He sounds humorous and interesting.
What is Mike doing?
A. Showing sympathy.
B. Expressing opinions.
C. Offering comments.
D. Giving advice.
能够将当前目录中的f1.txt文件压缩成f1.txt.tar.gz的命令是
A. tar cvf f1.txt f1.txt.tar.gz
B. tar czvf f1.txt f1.txt.tar.gz
C. tar czvf f1.txt.tar.gz f1.txt
D. tar cvf f1.txt.tar.gz f1.txt
将一组文件及目录汇集并备份生成一个文件的过程称为。
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