单项选择题

Passage 3
Questions 33 to 35 are based on the passage you have just heard.

A．Continued rainfalls.
B．The increase of carbon dioxide.
C．The disappearance of grasslands.
D．Less land for cows and sheep.
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单项选择题
A．To find out if he has the flu.B．To find out how to maintain a nutritious diet.C．To find out how to prevent illness.D．To find out the results of a blood test.
A．To find out if he has the flu.
B．To find out how to maintain a nutritious diet.
C．To find out how to prevent illness.
D．To find out the results of a blood test.
单项选择题
A．He was a nurse working in a hospital.B．He was a medical doctor in a hospital.C．He was a journalist for a newspaper.D．He was a travel agent in San Francisco.
A．He was a nurse working in a hospital.
B．He was a medical doctor in a hospital.
C．He was a journalist for a newspaper.
D．He was a travel agent in San Francisco.
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