高一英语Unit 5 Nelson Mandela- a modern hero

　　Social change is more likely to occur in societies where there is   31   mixture of different kinds of people than in societies where people are similar in many ways. The simple reason for this is   32   there are more different ways of looking at things present in the first kind of society. There are more ideas, more   33   (disagree) in interest, and more groups and organizations   34   different beliefs. In addition, there is usually a greater worldly interest and greater tolerance in   35   (mix) societies.   36   these factors tend to promote social change by opening more areas of life to decision. In a society where people are quite similar in many ways, there are   37   (few) occasions for people to see the need or the opportunity for change because   38   seems to be the same. And   39    conditions may not be satisfactory,   40   are at least customary and doubtless.

　　答案：

　　31．a 32．that 33．disagreements 34．with 35．mixed 36．All 37．fewer 38．everything 39．although   40．they

　　本文讲的是不同种类的人融合在一起的社会较人们在许多方面具有相似观点的社会变化更快：

　　31．a．指“一种”有各种不同人的混合型社会。

　　32．that在 the reason for／why…is that…句型中，习惯上用that引导表语从句。

　　33．disagreements．在there are后与ideas并列一定是名词，且也要用复数表示“不同意见”。

　　34．with．指“具有”不同信仰的群体或组织。

　　35．mixed．因societies与mix是被动关系，用动词的－ed形式作定语，表示“混合的”。

　　36．All．指上述提到的“所有”这些因素都会促使社会变化。

　　37．fewer．指在“人们在许多方面具有相似观点的社会”较在“不同人混合的社会里”，人们觉得有必要改变的机会“更少”。

　　38．everything．everything在原因状语从句中作主语，表示“一切、所有事情”。

　　39．a1though/ though．由前后两个分句的逻辑意义可知填表示“尽管，虽然”的连词。

　　40．they．指前面的conditions。

　　3阅读理解

　　阅读下列短文，从每题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。

　　词数：308 难度： ** 时间：6 分钟

　　Electrical devices (仪器) could soon use power made by human energy. Scientists say they have developed an experimental device that produces electricity from the physical movement of a person walking. British scientist Max Donelan and other scientists in Canada and the United States developed the device.

　　The device connects to a person's knee.  As the person walks, the device captures energy each time the person slows down. To do this, the device helps with the slowing down movement of the leg. The movements of the walking person push parts of a small machine that produces electricity. Using the device, an adult walking quickly could produce thirteen watts of electricity in just a minute. Donelan says walking at that speed could produce enough power to operate a laptop computer for six minutes.

　　There are several possible uses for the device. Developers say it could help people who work in areas without electricity to operate small computers. The device could also be used in hospitals to operate heart pacemakers (起搏器). It could even be used to assist in the movement of robotic arms and legs.

　　The experimental version of the device weighs about one and a half kilograms, but it is too costly for most people to buy. But the researchers hope to make a lighter, less costly version. An improved version should be ready in one year.

　　The developers hope the device will one day help developing countries. Nearly twenty-five percent of people around the world live without electric power.

　　A similar product was invented in 2005 by Larry Rome of the University of Pennsylvania. He created a bag carried on a person's back that also produces power from walking. The knee device does not produce as much electricity as the bag. But the bag requires the walker to carry a load of twenty to thirty kilograms.

　　41. The second paragraph mainly talks about _______.

　　A. who developed the device

　　B. how the device works

　　C. several possible uses for the devices

　　D. how much electricity the device can produce

　　42. What is the disadvantage of the experimental version of the device?

　　A. It is too heavy for the walker to bear.

　　B. It is too complex for people to use.

　　C. It will slow down one's walking speed.

　　D. It is too dear for most people to afford.

　　43. Compared with the device designed by Larry Rome, this new device _______.

　　A. produces power without adding more loads to the walker

　　B. can produce more power in a much shorter time

　　C. needs to be equipped with a battery

　　D. can help the walker walk faster

　　44. From the passage, we can learn that the electrical device can _______.

　　A. help housewives operate the micro-wave oven

　　B. make it much easier for us to go online

　　C. produce more electricity than that invented by Larry Rome

　　D. be applied in medicine to operate heart pacemakers

　　45. What would be the best title for the passage?

　　A. First device powered by walking will soon be on the market

　　B. Advanced technology brings in a new way to operate heart pacemakers

　　C. Device gives new meaning to the idea of power walking

　　D. Human energy will become a main source of electricity

　　A 篇

　　科学家研制出一种固定在人膝盖上的发电装置。这种装置可通过收集人走路时损失的能量发电。

　　41. B。 段落大意题。第二段主要讲了这种电子装置的工作原理，即它是如何利用人步行来发电的。

　　42. D。 细节推断题。根据第四段中的it is too costly for most people to buy可知这种实验版的设备费用太高，大多数人买不起。

　　43. A。 推理判断题。根据末段可知，过去Larry Rome发明的设备虽然也是靠行走获取能量，但是需要步行者背重达20到30公斤的负荷，而这种佩戴在膝盖上的设备重量只有1.5公斤，不需增加步行者的太多负担。

　　44. D。 细节理解题。根据文章第3段the device could also be used in hospitals to operate heart pacemakers可直接选出答案D项。A项文中没有涉及到，B项表述不科学，根据文章最后一段可以推断C项表述错误。

　　45. C。 归纳标题题。文章主要突出的内容是这种新的电子设备使得利用人步行获取能量变得轻松、容易。

　　4写作训练

　　[写作内容]

　　一个英国中学生代表团访问你校，你作为学生代表向来访者口头介绍神舟七号发射的相关情况，介绍内容要点如下：

　　1．神舟七号宇宙飞船于2008年9月25日晚上9：10分升空。

　　2．这是中国的第三次载人飞行。飞船成功地将三人小组送人太空，小组中的翟志刚进行了我国首次太空行走。

　　3．太空行走在北京时间2008年9月27日下午进行，持续大约26分钟。之后宇航员返回地球。

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