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将/etc/passwd的密码栏，密码编码为shadow password写入/etc/shadow。命令是()

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[user01@Linux7-1 root]$当前是()用户

Section ADirections: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).Questions 1 and 2 will be based on the following news item.

A. He almost died young in the Holocaust during World War II.
B. He employed Jews in his factories in Poland and Czechoslovakia.
C. He saved the lives of 669 mostly Jewish children from the Nazis.
D. He arranged for British families to take care of Jewish businessmen.

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Section ADirections: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).Questions 1 and 2 will be based on the following news item.

A. Through the movie Schindler's List.
B. Through a BBC TV program.
C. Through the Nazi secret documents.
D. Through the Prime Minister's speech.

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Questions 3 and 4 will be based on the following news item.

A. UNICEF's aid work in war zones.
B. The sufferings of children in war.
C. School education in wartime.
D. Government spending on wars.

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