单项选择题

A．Breakdown of public health.
B．International travel and commerce.
C．Man’s eating habits.
D．Processing methods of food.
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单项选择题
A．Computer failure.B．Clash of another planet with the satellite.C．Wrong operation.D．Designing mistakes.
A．Computer failure.
B．Clash of another planet with the satellite.
C．Wrong operation.
D．Designing mistakes.
单项选择题
A．She wanted to congratulate her.B．She wanted to grant her scholarship.C．She wanted to know more about her.D．She asked her to take the exam again.
A．She wanted to congratulate her.
B．She wanted to grant her scholarship.
C．She wanted to know more about her.
D．She asked her to take the exam again.
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