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.

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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 to watch white she performs the operations.
C．She wants the man to ask questions so that she can help him.
D．She wants the man to try to do it while she gives him instructions.

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.