More and more people choose to shop in the supermarket,for they are especially interested in the of goods on offer.A. price B. variety C. value D. amount 题目和参考答案——青夏教育精英家教网—

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( ) 1. More and more people choose to shop in the supermarket,for they are especially interested in the of goods on offer.

A. price B. variety C. value D. amount

1. B考查名词的词义，price价格，价值；variety种类，多样化；value价值，意义；amount数量，总额。句意：越来越多的人选择在超巿购物，因为他们喜欢那里多种多样的商品。

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Forget chip fat,sugar cane or rapeseed oil―the latest source of biofuel could be watermelons.

Scientists have discovered that the fruit is a great source of sugar that can be readily distilled (蒸馏) into alcohol to power cars and farm machinery.

And because sellers reject 360,000 tons of "substandard" fruit annually in America alone, they could be used as an economical way to make fuel.

The waste from US growers could produce nearly two million gallons( nine million litres) of biofuel per year.

In the study,researchers at the United States Department of Agriculture set out to determine

the biofuel potential of juice from rejected watermelons―those not sold due to cosmetic imperfec?tions ,and currently ploughed back into the field.

About a fifth of each annual watermelon crop is left in the field because of surface blemishes (瑕疯) or because they are misshapen.

Dr. Wayne Fish,who led the team,found that 50 percent of the fruit was fermentable (可发酵的) into alcohol which could provide valuable fuel.

"We've shown that the juice of these melons is a source of readily fermentable sugars, representing an unexploited raw material for alcohol biofuel production," he said.

The study, published in the journal Biotechnology for Biofuels,discovered that watermelons could produce around 20 gallons of ftiel per acre from fruit that otherwise would go to waste.

Production of biofuels has been targeted by Western governments as a way to support renewable energy targets.

The European Union has a target for 2010 that 5.75 percent of transport fuels should come from biological sources, but the target is unlikely to be met.

The British government's Renewable Transport Fuel Obligation requires five percent of the fuel sold at the pump by 2010 to be biofueled.

( ) 1. The passage mainly tells us that .

A. Western countries aim at producing biofuels

B. watermelons could be used to make fuel

C. the advantage of fuel made from watermelons

D. watermelon juice will be the largest source of renewable energy

( ) 2. Which of the following is NOT the reason why so many watermelons are deserted in America each year?

A. They are substandard. B. They are imperfect.

C. They are misshapen. D. They are oversupplied.

( ) 3. The underlined word "cosmetic" in Paragraph 5 probably means " ".

A. inside B. flavor C. surface D. freshness

7. With in the hall，the visiting professor de- livered an impressive speech on the art of language. (seat)

学生们在大厅就座后，来访的教授发表了关于语言艺术的令人难忘的演讲。

1,I，11 never understand that you made such a stupid mistake. (come)

我真不明白你居然犯了这么个愚蠢的错误。

8. Don，t be too rude to your father. Never in his life in that way up to now. (speak)

不要对你的父亲那么粗鲁。到现在为止，在他的一生中，还没有人对他那样讲过话。

( ) 6. Each child is unique and teachers should encourage each one to realize their .

A. power B. strength C. necessity D. potential

3. ，I became excited. (experience)

这是我的第一次经历，我感到很兴奋。

7.1 feel so sick. I wish Mum to eat so much. (force)

我感到有点恶心。真希望妈妈没有逼我吃这么多。

8. Go to bed right now. Forget you need to get up as early as you can ？(catch)

现在立刻上床睡觉！你难道忘了你明天要尽可能起早去赶早班火车吗？

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