black

单项选择题


Questions 17～20 are based on the following talk.
According to the speaker, how do developers contribute to the reduction of amphibian population

A．By taking over ponds.
B．By constructing sewers.
C．By building dams on rivers.
D．By flooding marshes.
相关考题

What’s the main purpose of the talkA．To introduce the c...

单项选择题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.

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.

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1