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

酒店所使用的门锁系统是（） A: SAFLOCK B: HUNE C: ADEL D: BE-TECH

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.

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

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

选择出学术风格较好的句式。 A: Anxiety about the tech giants on the part of startups and their investors goes much deeper than such events. B: Startups and their investors have much deeper anxiety about the tech giants than such events. C: Startups and their investors are much deeper anxious about the tech giants than such events.

People around the world ________ the campus shooting that happened in Virginia Tech University.

Automakers and tech companies are working hard to offer the first true ____ car.

We can use wearable tech to pay for something without using cash.

China’s innovative mobile businesses have had an impact on the US tech industry.