单项选择题

A．Problems the man has encountered when writing his history paper.
B．The man’’s broken computer.
C．The reason why staring at computer screen makes eyes hurt.
D．The woman’’s article on the newspaper about eyes.
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单项选择题
A．They are planning a picnic for the department.B．They are having a picnic organized by the department.C．They are discussing how to escape from the sun.D．They are drinking and talking about the weather.
A．They are planning a picnic for the department.
B．They are having a picnic organized by the department.
C．They are discussing how to escape from the sun.
D．They are drinking and talking about the weather.
单项选择题
A．Garbage Can Be Changed into Fertilizer.B．Overcoming the Problem of Waste.C．Making Buildings with Garbage.D．Large Cities Are Anything but Beautiful.
A．Garbage Can Be Changed into Fertilizer.
B．Overcoming the Problem of Waste.
C．Making Buildings with Garbage.
D．Large Cities Are Anything but Beautiful.
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