创建一个组名字为tech并且组id为300的命令是() A: addgroup<br/>300 tech B: groupadd -g 300 tech C: newgrp<br/>-g 300 tech D: groups -gid 300 –name tech

Chinese regulators cautiously evaluate the impact of fin-tech revolution and design risk prevention measures.

哪一个命令能用来删除当前目录及其子目录下名为‘Core’的文件？（） A: fin B: -nAmeCore-exeCrm； C: fin D: -nAmeCore-exeCrm{}\； E: fin F: -nAmeCore-exeCrm{}-； G: fin H: -nAmeCore-exeCrm{}。

What is the purpose of the passage（） A: To tell how "high tech" and "state of the art" have developed. B: To give examples of "high tech". C: To tell what "high tech" and "state of the art" are. D: To describe very modem technology.

Nemo was born with a defective fin, which is called "the lucky fin".（ ） A: 对 B: 错

nasal fin

5.Georgia Tech students are created by Hobbit.( )

People around the world ________ the cam...nia Tech University.

Chinese regulators cautiously evaluate the impact of fin-tech revolution and design risk prevention measures. A: 正确 B: 错误

PFR中LRU1（FIN）+LRU2（FIN）的信息表示inPFR,LRU1（FIN）+LRU2（FIN）means（） A: LRU1或LRU2失效了 LRU1 or LRU2 failed B: LRU1和LRU2都失效 LRU1 and LRU2 failed C: 只有LRU2失效 only LRU2 failed