root canal system
举一反三
- 默认情况下，root用户属于以下哪个用户组？ A: user B: admin C: root D: system
- In land plants we have separation of work, the root system anchors and absorbs the water, the shoot system makes energy and makes seeds.( )
- 下列属于IAD登录账号的是（） A: root B: system C: admin D: user
- Java中所有类的父类是（）。 A: System B: Java C: Object D: Root
- In 1930s, on the ________ of Zhengguoqu Canal, Jinghui Canal was built, which has benefited people living in the Guanzhong Plain up to now.