单项选择题

Questions 19 to 21 are based on the conversation you have just heard.

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．He thinks that it’s helpful.B．He is scared and thinks that it’s terrible.C．He thinks that it’s reasonable to stop taking pain-killers.D．He will take notice to the doctor because the doctor is a drug dealer.
A．He thinks that it’s helpful.
B．He is scared and thinks that it’s terrible.
C．He thinks that it’s reasonable to stop taking pain-killers.
D．He will take notice to the doctor because the doctor is a drug dealer.
单项选择题
A．Being forgotten.B．Being identical to other people.C．Being insignificant.D．Running certain risks.
A．Being forgotten.
B．Being identical to other people.
C．Being insignificant.
D．Running certain risks.
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