单项选择题

Questions 24 to 26 are based on the conversation you have just heard.
（）

A．Improve computer programming.
B．Explain certain natural phenomena.
C．Predict global population growth.
D．Promote national financial health.

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单项选择题

A．Most borrowers never returned the books to her.B．The man is the only one who brought her book back.C．She never expected anyone to return the books to her.D．Most of the books she lent out came back without jackets.

A．Most borrowers never returned the books to her.
B．The man is the only one who brought her book back.
C．She never expected anyone to return the books to her.
D．Most of the books she lent out came back without jackets.

单项选择题

（）

A．They quote the best price in the market.
B．They manufacture and sell office furniture.
C．They cannot deliver the steel sheets on time
D．They cannot produce the steel sheets needed.

Questions 24 to 26 are based on the conversation you have just heard. （）

Questions 24 to 26 are based on the conversation you have just heard.
（）