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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What should one do if he wants to work more efficiently...

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.

What does the speaker mainly discussA．The distribution ...

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.

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

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