Scientists are increasingly _____ that the earth is getting hotter because of ca

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Scientists are increasingly _____ that the earth is getting hotter because of carbon dioxide and other gases.

A．convinced

B．confident

C．concerned

D．conscious

答案

解析

考查词义辨析。convinced 相信，confident 自信的，concerned 关注的，conscious 有意识的，短语：be convinced that 相信，句意：科学家们越来越相信由于二氧化碳和其它气体地球会变得越来越热。根据语境所以选A。

举一反三

The employee you have been thinking highly dishonest.

A．of proving

B．of proves

C．of to prove

D．of being proved

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I"ve always been very about giving my address to strangers．

A．familiar

B．excited

C．cautious

D．concerned

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---Mr. Li’s lecture was ____.
--- But it was a pity that I missed it.
worth listening B. worthy of listening
C. worth listening to D. worthy to listen to

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Failure is never a pleasure, but it can have a effect on your life once you learn to use it.

A．positive

B．major

C．concrete

D．sure

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The World Health Organization expects a vaccine(疫苗)against H1N1 to be by September or October this year.

A．aggressive

B．available

C．absolute

D．abnormal

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