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Scientists around the world have been st...

Scientists around the world have been studying the warming of waters in the Pacific Ocean known as El Nino(厄尔尼诺). The appearance of El Nino is known to affect the weather around the world. Scientists still do not completely understand it. Yet they now find they can use it to tell about the future in different areas of the world.

One example is the work of two scientists at Columbia University in New York, Mark Cane and Gordon Eshel. A scientist of Zimbabwe, Roger Buckland worked with them. They have found that when El Nino appears, Zimbabwe has little or no rain. This means corn crops in Zimbabwe are poor. The last El Nino was in 1991 to 1993. That was when southeastern Africa suffered a serious lack of rain.

The scientists wrote about their recent work in the publication Nature. Their computer program can tell when an El Nino will develop up to a year before it does. They suggest that this could provide an effective early warning system for southern Africa, and could prevent many people from starving.

1.El Nino is known as ___.

A. the changing of the weather in southern Africa

B. the warming of waters in the Pacific Ocean

C. the weather which brings drought(旱灾) to Africa

D. the weather phenomenon (现象)that brings heavy rains to Africa

2.Scientists study El Nino in order that ___.

A. they can provide a kind of early warning to the place that will suffer from drought

B. they can tell why Zimbabwe has little or no rain

C. they can do some research work in this field.

D. they can put all this information into their computers.

3.Which of the following is TRUE according to the passage?

A. Nature is the name of the article written recently by the scientists.

B. Three scientists from the USA work on this subject.

C. Southern Africa suffered a serious drought and many people died from hunger.

D. El Nino has something to do with Zimbabwe’s poor crops.

4.What’s the best title for this passage?

A. Appearance of El Nino is Predictable(可预测的)    B. Drought in Zimbabwe

C. Early Warning System    D. Weather in Africa

 

1.B 2.A 3.D 4.A 【解析】科学家一直在研究厄尔尼诺现象。太平洋的部分水域变暖导致气候的变化。虽然不能完全理解,但是可以运用这方面的知识预测世界上不同地区的未来。把这一现象引起的灾难减少到最小。 1.B细节理解题。根据文章第一句话可知,厄尔尼诺现象是太平洋的水域变暖。所以选B。 2.A细节理解题。根据文章最后一句话可知,研究的目的是早想良策预防挨饿情况的发生。选A。 3.D推理判断题。根据They have found that when El Nino appears, Zimbabwe has little or no rain. This means corn crops in Zimbabwe are poor.可知,厄尔尼诺和津巴布韦的农业欠收有关系。选D。 4.A主旨大意题。文章介绍了对厄尔尼诺现象的研究以及采取相应的措施来应对。所以选A 。
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Once Napoleon stayed in a small inn. The next morning, he went to thank the innkeeper.

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“Sir, we want nothing,” said the innkeeper. “But will you tell us something?”

  “What is it?” Napoleon asked.

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  “Please, sir.” begged the innkeeper, “Don’t kill us! We meant nothing!” The soldiers moved back. The innkeeper saw them raising their guns. Then Napoleon called: “Ready! Aim!” The wife screamed. “Stop!” said Napoleon. He went to the innkeeper, “Now, you know the answer to the question you asked me just now, don’t you?”

1.Why did the innkeeper ask Napoleon to tell him how Napoleon felt when he was being looked for?

A. He wanted to know the difference between a general and an ordinary people.

B. He looked down upon Napoleon, for he thought a great man shouldn’t be defeated.

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D. He was interested in other’s failure, especially Napoleon’s.

2.Why did Napoleon ordered his men to tie the couple?

A. because he wanted to teach the innkeeper a good lesson for bothering him.

B. because he wanted to kill the couple to get rid of his anger.

C. because he wanted to show that he was so admiring a general that nobody could upset him.

D. because he wanted to made the innkeeper know that a general like him had the same feeling as the ordinary people in face of danger.

3.Which is the best title of the text?

A. Napoleon’s Trick    B. Napoleon and an Innkeeper

C. Napoleon’s Anger    D. Napoleon’s ride

 

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