题目内容

Many football fans attached great importance to the two matches, because China needed to beat Iran to ensure ______for the Asian Cup semi-finals.

A. outcome B. qualification C. conservation D. commitment

 

B

【解析】

试题分析：考查名词辨析。句意：许多球迷都对这两场比赛很重视，因为中国需要打败伊朗以确保获得进入亚洲杯半决赛的资格。A结果；B资格；C保护，节约；D承诺，责任，忠诚，故选B。

考点：考查名词辨析

 

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Medicine and food ________ to the flood areas soon.

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Rising levels of carbon dioxide in the atmosphere are a major cause of climate change, and now a new study has confirmed that atmosphere CO2 is also affecting the ocean chemistry and potentially harming sea life.

Montana State University scientist Robert Dore has been researching the water in the Pacific Ocean for almost two decades. “We’ve been going to the same spot in the Pacific Ocean, and we try and characterize long-term change in the open ocean environment. And one of the key things that we measure is CO2 levels. And we’ve been able to record this increasing quantity of atmosphere CO2 into the ocean.”

Scientists expected that as atmosphere CO2 increased, more and more of the carbon dioxide would be absorbed into the ocean, affecting the chemical balance of the sea water, with a potentially harmful impact on shellfish and coral in particular.

“As carbon dioxide dissolves in the water or seawater in this case, it forms a weak acid, carbonic acid,” Dore explains. “And therefore, as the concentration of CO2 in the atmosphere goes up and that exchanges with the surface seawater, it drives the pH down, and makes it more acidic.”

The seawater samples Dore and his colleagues have analyzed confirm what the theory predicts.

The effect was particular striking at about 250 meters down, and again at 500 meters. Dore and his colleagues came up with two possible explanations. It could be that surface water picked up CO2 and then moved to those depths. Or there could be a biological explanation.

“It’s important to realize that the oceans are really becoming acidic. And it can have negative impacts on a whole variety of sea life from fish to coral. It’s potentially catastrophic.”

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A. Scientist Researching Seawater

B. Sea Life Facing Danger

C. Oceans Becoming More Acidic

D. Climate Change Affecting Seawater

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a. Sea life is endangered.

b. CO2 goes into the surface water.

c. The ocean chemistry is affected.

d. CO2 decreases the pH and makes the seawater more acidic.

e. CO2 levels in the atmosphere go up.

A. a→b→c→d→e B. e→b→c→d→a

C. a→e→b→c→d D. e→d→c→b→a

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The increase in tuition fees(学费) has led to a “clear drop” in the number of English students applying for university places this autumn. There are 15,000 “missing” applicants this academic year, according to the Independent Commission on Fees. Chairman Will Hutton said: “We’re asking our young men and women to have more debt than any other country in the world — it’s higher than the average debt in the US. It’s not clear whether those lost students this year will return next year, or if it’s a storm warming of a worrying trend.”

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A spokeswoman at the Department for Business, Innovation and Skills which is responsible for universities, said:“Students shouldn’t be forced to put off going to university for financial reasons. Most students will not have to pay in advance, and no one will have to start paying back their student loan until they start to earn at least ￡ 2l,000 per year.”

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