单项选择题

Why is John studying

A．He needs to press F7 to return to the document before he prints it.
B．He has to print the document to see the page numbers.
C．The printer is not working correctly,
D．The numbers are on the screen but they don't print out.

<上一题目录下一题>

热门试题

单项选择题

What prompted this conversation

A．The man is learning how to use a computer.
B．The woman is showing the man how to put page numbers on a document.
C．The man is printing a document.
D．The man is using his computer to do mathematical functions.

单项选择题

What is the main purpose of this conversation

A．The use of photographs in painting.
B．The TV program about Norman Rockwell.
C．The Saturday Evening Post magazine.
D．Exhibits of art on magazine covers.