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Scientists think that the decline of amphibians could
A．cause environmental change.
B．cause a decline in other kinds of animals.
C．be a warning signal for human beings.
D．be a good sign for human beings.
答案
更多“Scientists think that the decline of amphibians couldA．causeenvironmentalchange. B．”相关的问题
第1题
According to the text, the UK scientists have known that______.
A．women have more cells than men when they are born
B．women can replace the cells that enable the heart to beat
C．the female heart loses few of the cells with age
D．women never lose their pumping power with age
第2题
It can be inferred from the passage that scientists of the 18th century _______.
A．knew that they were ignorant and wanted to know more about nature
B．were afraid of facing up to the realities of scientific research
C．thought that they knew a great deal and could solve most problems of science
D．did more harm than good in promoting man's understanding of nature
第3题
Men differ from animals ______ they can think and speak.[2008]
A．or which
B．for that
C．in that
D．in which
第4题
What does the man think of John？
A．Less active than Tom.
B．More active than Tom.
C．Taller than Tom.
第5题
What does Alex Winston think of her age？
A．She desires to look younger.
B．She is excited that she looks mature.
C．She doesn"t have a problem with her age.
D．She wishes she could go back to her teenage years.
第6题
听力原文：M: Jack seems to think this year's basketball season will be disappointing.
W: That's his opinion. Most others think differently.
Q: What does the woman mean？
(5)
A．She does not agree with Jack.
B．Jack's performance is disappointing.
C．Most people will find basketball boring.
D．She shares Jack's opinion.
第7题
听力原文：W：You know，the Mikes have invested all their money in stocks．
M：They may think that's a wise move but that's the last thing I'd do．
Q：What's the man's opinion about the Mikes' investment？
(15)
A．He believes the Mikes have done a sensible thing.
B．He doesn't think the Mikes' investment is a wise move.
C．He doesn't think the Mikes should move to another place.
D．He believes it is better for the Mikes to invest later.
第8题
听力原文：Seven. What has the woman just bought？
Woman: What do you think？ I found it in that new department store yesterday. I think it's perfect. It'll keep the sun off my face and it'll go really well with the dress I'm wearing to the wedding. It's the same colour as my bag, too. I just need a new jacket now.
What has the woman just bought？
A．&ndsp;
B．&ndsp;
C．&ndsp;
第9题
第一节 单项填空
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
I often see lights in that empty house. Do you think I ______ report it to the police？
A．should
B．may
C．will
D．can
第10题
Scientists and environmentalists think that global warming can be ______.
A．continued
B．improved
C．controlled
D．reduced
第11题
The scientists have absolute freedom as to what research they think it best to______
A．pursue
B．devote
C．adjust
D．engage
