单项选择题

What does the man need to do to see the page numbers

A．To print the document.
B．To use a new printer.
C．To reset the computer.
D．To press some buttons.
<上一题 目录 下一题>
热门 试题

单项选择题
The computer sends signal in the form of ______.
A．electrical impulses
B．machines
C．instructions
D．automatic impulses
单项选择题
What does the woman want the man to do
A．She wants the man to listen to the instructions and observe.
B．She wants the man lo watch while she performs the operations.
C．She wants the man lo ask questions so that she can help him.
D．She wants the man to try to do it while she gives him instructions.
相关试题