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.
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单项选择题
What was the origin of the traditional image of robot
A．Welding car.
B．Computer.
C．Machine.
D．Science fiction.
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 while 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.
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