题目内容

显示器的分辨率640*480的含义是:屏幕上有()条扫描线,每条线包含( )个点。

查看答案
更多问题

RGB三原色分别是指()三种颜色。

25. These devices are capable ________ performing a wide variety of tasks.

A. in
B. of
C. for
D. with

26. Many experts believe that the Internet of Things will ________ the next industrial revolution.

A. give off
B. turn on
C. bring about
D. send for

27. You should _______ some steps to help maintain a healthy indoor air environment.

A. make
B. do
C. carry
D. take

答案查题题库