单项选择题

Questions 22 to 25 are based on the passage you have just heard.

A. Less than 30 minutes. B. From 30 to 45 minutes.
C. At least 45 minutes. D. More than 45 minutes.
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单项选择题
A. Current issues in economics. B. Choices faced by conservationists.C. A recent biology lecture. D. Topics for a research paper.
A. Current issues in economics.
B. Choices faced by conservationists.
C. A recent biology lecture.
D. Topics for a research paper.
单项选择题
A. Because they can’t afford to.B. Because they think small houses are more comfortable to live in.C. Because big houses are usually built in the countryside.D. Because they prefer apartments.
A. Because they can’t afford to.
B. Because they think small houses are more comfortable to live in.
C. Because big houses are usually built in the countryside.
D. Because they prefer apartments.
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