单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

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.
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单项选择题
A．Continued rainfalls.B．The increase of carbon dioxide.C．The disappearance of grasslands.D．Less land for cows and sheep.
A．Continued rainfalls.
B．The increase of carbon dioxide.
C．The disappearance of grasslands.
D．Less land for cows and sheep.
单项选择题
A．John’s phone wasn’t working.B．John wasn’t at home when she called.C．The woman didn’t get the right phone number of John’s.D．John was too busy to come.
A．John’s phone wasn’t working.
B．John wasn’t at home when she called.
C．The woman didn’t get the right phone number of John’s.
D．John was too busy to come.
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