只有不存在相应容器的镜像时，该镜像才可以删除。（）
查看答案
删除镜像时可以给出镜像名与标签，来指定所删具体镜像。（）
A. 对
B. 错
The test is mainly about_________
A. why the banker spent 80 percent of his time doing busy work
B. how to best increase employees’ productivity
C. why many Americans today work longer hours than they did in1979
D. how many hours of work may make people’s productivity decrease
The purpose of Bill Meyer’s investigation was_________
A. to find out everything the banker did in his workday
B. to find out whether Americans are working harder than ever before
C. to prove that Americans are not working harder than ever before
D. To prove that Americans are now doing a lot of unnecessary work
Which was the head-hunters’ most likely opinion of the situation mentioned in Paragraph 4?
A. The candidate who work longer hours should get the job
B. The candidate who could help other employees should get the job
C. The candidate who was doing more work should get the job
D. The candidate who made better ues of time in his work should get the job
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