在linux系统中，只显示目录/tmp的详细列表的命令是（）。A、ls -l -d

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问题多项选择题

在linux系统中，只显示目录/tmp的详细列表的命令是（）。

A、ls -l -d /tmp

B、ls -l /

C、ls -l / | grep tmp

D、ls -l /tmp/

E、ls -ld /tmp

答案

参考答案：A, C, E

阅读理解

阅读理解。

单词：abroad国外；sailor海员

1. lt was about 42 million Chinese people that went abroad in _____.

A. 2005

B. 2010

C. 2020

2. The number of in 2005 is _____ less than that in 2020.

A. 32 million

B. 69 million

C. 68 million

3. The number of _____ was the largest of all in 2010.

A. sailors

B. Chinese living abroad

C. students

4. Of the three, the number of the _____ going abroad is the smallest.

A. sailors

B. workers

C. Students

5. Which of the following is TRUE from the information above?

A. The number of Chinese living abroad is the largest.

B. The number of students is larger than that of workers.

C. The number of the Chinese workers in foreign countries is larger than that of sailors and others in 2010.

填空题

上睑下垂矫正术有多种，常采用的有两种（）、（）。