单项选择题


Questions 14～16 are based on the following talk．
What’s the main purpose of the talk

A．To introduce the concept of inflation.
B．To discuss the causes of inflation.
C．To review yesterday’s lecture on inflation.
D．To argue in favor of inflation.
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单项选择题
What should one do if he wants to work more efficiently at his low point in the morning
A．Change his energy cycle.
B．Overcome his laziness.
C．Get up earlier than usual.
D．Go to bed earlier.
单项选择题
What does the speaker mainly discuss
A．The distribution of different species of amphibians.
B．Possible reasons for reduction in the number of amphibians.
C．The effects of environmental change on the fish industry.
D．Guidelines for the responsible use of pesticides.
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