问题 选择题

2011年3月26日晚8点30分,以倡导低碳生活为主题的“地球一小时”活动在斐济和新西兰首先拉开帷幕,全球共134个国家和地区以熄灯接力传递着为保护地球而开展的环保行动。低碳,意指较低的温室气体(二氧化碳)排放。那么,植物消耗二氧化碳的生理活动是(   )

A.呼吸作用

B.光合作用

C.蒸腾作用

D.以上三项都是

答案

答案:B

绿色植物进行光合作用的原料是二氧化碳和水,所以说消耗二氧化碳的生理活动是光合作用。

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People often said Thomas Edison was the greatest genius of his age. There are only a few men in all of history, who have changed the lives of other men as much as the inventor of the first useful electric light. But Edison could never be pleased only because someone said he was a genius. "There is no such thing as genius," Edison said. He thought what people called genius was mostly hard work.

But Edison was a dreamer as well as a worker. From his earliest days as a child he wondered about the secrets of nature. He tried to understand them, and then he tried to learn what he could usefully do with them.

Edison enjoyed thinking. He knew that most people would do almost anything instead of the difficult work of thinking, especially if they do not think very often. But he knew, too, that thinking could give men enjoyment and pleasure.

Edison could not understand how anyone could not be interested in life. As he loved to think, he also loved to work. On the day he became 75 years old, someone asked him what idea he had about life. “Work,” he answered, “Discovering the secrets of nature and using them to make men happier.” He said he had enough inventions in his mind to give him another 100 years of work.

小题1:According to Thomas Edison, what's genius?

A.Hard thinking.

B.Useful inventions

C.Useful dreams.

D.Hard work.小题2:After exploring the secrets of nature, Edison always tried to______.

A.make them useful in life

B.carry out a new experiment

C.write down what he had learnt

D.share them with others小题3:Edison could not understand______.

A.how anybody enjoyed life

B.how anybody loved working

C.why anybody loved thinking

D.why anybody was tired of life小题4:The underlined sentence in the last paragraph means that______.

A.Edison was able to live another 100 years

B.life was too short for Edison to work for human beings

C.Edison was born to be a great inventor

D.Edison was ready to make his l00th invention