素能提升演练（二十九） 选修6 Unit 4 Ⅰ. 单词拼写 1. There are large _____ (数量) of rain in the area of the country every summer. 2. Scientists have many theories about how the universe first came into _____ (存在)． 3. A rainbow is a natural _____ (现象) especially after a heavy rain. 4. Such a mistake would perhaps lead to disastrous _____ (结果). 5. The _____ (平均数)of 4, 5 and 9 is 6. 6. Several cars are available within this price _____ (范围). 7. The personnel manager _____ (浏览) down the list of names of the applicants. 8. He tried to sound _____（漫不经心），but in fact he was worried. 9. We are making slow but _____ (稳步的) progress. 10. The proposed new airport will be strongly _____ (反对)by the local residents. Ⅱ. 完成句子 1. I just wonder _____ that he knew where we were. I never told him about it. (come) 让我纳闷的是他怎么知道我们在什么地方，我从没跟他提起过。 2._____ contributed to her dream of being a writer. (consume) 花大部分时间在阅读上成就了她的作家梦。 3. You may borrow the book _____ . (long) 只要你保持书干净，就可以借给你。 4. _____ Chutian Metropolis Daily for over a half year, you would have received a free limited-edition calendar last week. (subscribe) 上周如果你订阅《都市楚天报》超过半年，你就会得到免费赠送的限版日历。 5. It was because his wild language _____ his complete failure. (result) 是他的信口开河才导致了他彻底的失败。 6. _____ that you read this piece of news (be) 你到底在哪儿看到的这条消息。 7. I would like to extend a warm welcome to you _____ our fair. (behalf) 我代表我们商品交易会主办方向您表示热烈的欢迎。 8. He had a strange character, and my sister _____ . As a result, they got divorced. (put) 他性格古怪，我妹妹发现很难忍受他，结果他们离婚了。 9. _____ to the company won his colleagues’ praise. (make) 他对公司做出的重要贡献赢得了同事们的赞誉。 10. At first he _____ our suggestion, but we managed to bring him round. (opposed) 起初他反对我们的建议，后来我们使他回心转意了。 Ⅲ. 阅读理解 A California family drives a car that could help protect the environment. When Jon and Sandy go to the store or to their daughters’ soccer games, they drive in high-tech style. They drive a＄1 million, fuel-cell-powered car. It may be the world’s most expensive car and one of the most environmentally friendly cars. The FCX is the first fuel-cell-powered car to be used by a family anywhere in the world. The FCX uses hydrogen and oxygen for fuel. Car makers have been working to develop vehicles that are better for the environment. They are developing cars that use fuel other than gasoline. What is fuel cell technology Fuel cell technology works by changing the chemicals hydrogen and oxygen into water. This process produces electricity, and water vapor which comes out of the exhaust pipe. Most cars release dangerous gases such as carbon monoxide(一氧化碳) and carbon dioxide. Many scientists say these gases are major contributors to global warming. “The FCX is driven just like any other vehicle on the road, but without t ... ...
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