单项选择题

A．He needs to press F-7 to return to the document before be 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.
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单项选择题
A．He received an injection in the neck.B．He drank a glass of whiskey each evening.C．He was being treated by a doctor.D．He felt unwell near his neck.
A．He received an injection in the neck.
B．He drank a glass of whiskey each evening.
C．He was being treated by a doctor.
D．He felt unwell near his neck.
单项选择题
A．Understanding the importance of money.B．Understanding the value of life.C．Understanding the complicated society.D．Buying cheap things.
A．Understanding the importance of money.
B．Understanding the value of life.
C．Understanding the complicated society.
D．Buying cheap things.
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