单项选择题
Questions 32 to 35 are based on the passage you have just heard.
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A. A sales representative.
B. A store manager.
C. A committee chairperson.
D. A class president.
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单项选择题
A. From three to five months. B. Three months. C. Five months. D. Four months.
A. From three to five months.
B. Three months.
C. Five months.
D. Four months.
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单项选择题
A. A new fuel for buses.B. The causes of air pollution.C. A way to improve fuel efficiency in buses.D. Careers in environmental engineering.
A. A new fuel for buses.
B. The causes of air pollution.
C. A way to improve fuel efficiency in buses.
D. Careers in environmental engineering.
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