删除镜像时只能给出待删镜像名，不支持通过镜像ID删除镜像。（）
查看答案
只有不存在相应容器的镜像时，该镜像才可以删除。（）
A. 对
B. 错
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
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