1、选修 Unit 2 单元主题语篇训练.阅读理解AWith only about 1,000 pandas left in the world, China is desperately trying to clone the animal and save the endangered species. Thats a move similar to what a Texas A& M University researchers have been undertaking for the past five years in a project called “Noahs Ark”Noahs
2、 Ark is aimed at collecting eggs, embryos (胚胎), semen and DNA of endangered animals and storing them in liquid nitrogen. If certain species should become extinct, Dr. Duane Kraemer, a professor in Texas A& Ms College of Veterinary Medicine, says there would be enough of the basic building blocks to
3、reintroduce the species in the future.It is estimated that as many as 2,000 species of mammals, birds and reptiles will become extinct in over 100 years. The panda, native only to China, is in danger of becoming extinct in the next 25 years.This week, Chinese scientists said they grew an embryo by i
4、ntroducing cells from a dead female panda into the egg cells of a Japanese white rabbit. They are now trying to implant the embryo into a host animal. The entire procedure could take from three to five years to complete.“The nuclear transfer (核子移植) of one species to another is not easy, and the lack
5、 of available (capable of being used) panda eggs could be a major problem，” Kraemer believes. “They will probably have to do several hundred transfers to result in one pregnancy (having a baby). It takes a long time and its difficult, but this could be groundbreaking science if it works. They are ce
6、rtainly not putting any live pandas at risk, so it is worth the effort，” adds Kraemer, who is one of the leaders of the Project at Texas A & M, the firstever attempt at cloning a dog.“They are trying to do something thats never been done, and this is very similar to our work in Noahs Ark. Were both
7、trying to save animals that face extinction. I certainly appreciate their effort and theres a lot we can learn from what they are attempting to do. Its a research that is very much needed.”1What is the goal of “Noahs Ark” project?ATo save endangered animals from dying out.BTo make efforts to clone t
8、he endangered pandas.CTo collect DNA of endangered animals to study.DTo transfer the nuclear of one animal to another.解析：选A细节理解题。根据第二段第一句以及第二段最后一句中的“to reintroduce the species in the future”可知，Noahs Ark目标是把濒临灭绝的动物的蛋(卵)、胚胎、精液和DNA储存在液体氮中，如果某一种动物濒临灭绝时，将来可以重现这一动物。故选A。此题C项的干扰性较强。根据第二段最后一句“to reintroduce
9、the species in the future”， Noahs Ark的目标不是研究，而是保护，故排除C项。2What is the main problem in cloning pandas according to Professor Kraemer?AThe amount of raised money.BThe shortage of host animals.CThe lack of available panda eggs.DThe skill of qualified researchers.解析：选C细节理解题。根据倒数第二段第一句“The nuclear transfe
10、r (核子移植) of one species to another is not easy, and the lack of available (capable of being used) panda eggs could be a major problem”可知，最大的问题是缺少熊猫卵子，故选C。3What can be a suitable title for the text?AChinas Success in Pandas CloningBThe First Cloned Panda in the WorldCExploring the Possibility to Clon
11、e PandasDChina the Native Place of Pandas Forever解析：选C标题归纳题。根据文章内容，无论是中国还是世界其他国家克隆熊猫都还没有成功，所以排除A、B项；D项内容明显与文章内容不符，故排除。C项“探索克隆熊猫的可能性”适合作这篇文章的标题。4What can we learn from the passage?AScientists try to implant a pandas egg into a rabbit.BKraemer and his team have succeeded in cloning a dog.CKraemer will
12、 work with Chinese scientists in clone researches.DAbout two thousand species will probably die out in a century.解析：选D细节理解题。根据第三段第一句“It is estimated that as many as 2, 000 species of mammals, birds and reptiles will become extinct in over 100 years.”可知应选D。此题A项的干扰性较强，但由于它没有说明是Chinese scientists，所以应排除
13、。BHave you ever thought about living in a “green” house, one that is healthy for you and your family and helps conserve the Earths resources? Some people want to build a new home, renovate an existing one, or make a few changes in their living habits. Every household can do something to support the
14、conservation of the environment and improve our quality of life. As environmental concerns continue to increase worldwide, using more green products into our lives becomes more and more important. There is growing interest in green living, and the possibilities for achieving it in our homes are rapi
15、dly expanding. Our companys website can show you more about that.Because buildings need enormous quantities of the Earths resources in their construction and daily operation, they offer many opportunities for new ecofriendly design as well as cost savings. The Green House shows the combination of ar
16、chitecture, interiordesign, and environmental responsibility. Home is where going green begins where we as individuals have the power to set a new course for a brighter future. If you are interested in these “green” houses, please contact us and our company will send you more information about them.
17、 And were sure youll have a surprise.Email：ghouseabc Phone：3567218/3567219Fax：3390231语篇解读：本文是一篇应用文。文章主要介绍了有关“Green House”的相关内容，意在宣传推销自己的产品。5The main purpose of the passage is to _.Aremind people to protect the environmentBask people to buy a “green” houseCgive a brief introduction of the “green” hou
18、seDexpress the writers own opinion about the environment解析：选B写作意图题。文章主要介绍了“green” house以及与之相关的一些内容，其目的在于让人们买他们的产品。6From the passage, we can learn that the Green House shows _.Aonly interiordesign and outer appearance of the buildingBthe combination of architecture and environmental importanceCthe im
19、portance of the Green MovementDthe combination of architecture, interiordesign解析：选D细节理解题。第二段第二句指出the Green House展现了“architecture, interiordesign, and environmental responsibility”的结合。7The underlined word “ecofriendly” in Paragraph 2 probably means “_”Afriendly to peopleBgood for the design of buildi
20、ngsCgood for the environmentDfriendly to the Green House解析：选C词义猜测题。eco是个前缀，意为“环境的，生态的”，ecofriendly的表面意思是“对生态环境友好的”，也就是“有益于生态环境的”。故选C项。8How many ways can you use to get more information about the products?A1.B2.C3. D4.解析：选D细节理解题。第一段最后一句有公司的网址，文章结尾有3种联系方式，因此共有4种方法。tips 利用构词法解词义猜测题合成、派生和转化是英语单词的三种构词法，是
21、单词形成的规律，根据构词规律可以准确猜测单词意思。(1)合成法。合成法是指两个或多个单词按照一定的规律结合在一起，形成一个新的单词。一般来说，合成词的意思就是各个组成词的意思的综合。例如：overestimate是由over(大于)和estimate(估计)组合成的新单词，它的意思是：高估。(2)派生法。派生法是通过在基础根上添加前缀或者后缀来构造新词。一般来说，前缀改变词义不改变词性，而后缀改变词性不改变词义。常见的前缀有：表示否定或者相反意思的前缀dis， un， im， in， ir， il， non， mis等用在单词的前面，往往构成原单词的反义词。如：correctincorrect
22、, legalillegal, likeunlike等。表示“又，再，重新” 的前缀re，如：rebuild重建，reapply重新申请。表示“和一起，共同”的前缀co，如：coworker同事，合作者。表示“过于”的前缀over，如overuse使用过度，overjoyed欣喜若狂。表示“超级，极”的前缀super，如：supermarket超级市场，superpower超级大国。例如上文B篇阅读中第7小题，eco是个前缀，意为“环境的，生态的”，ecofriendly的表面意思是“对生态环境友好的”，也就是“有益于生态环境的”。(3)转化法。把一种词性用作另一种词性而词形不变的方法叫作转化
23、法。如：“He insisted on staying up to nurse the child.”中的nurse原为名词“护士”，转化为动词“护理，看护”。.概要写作阅读下面短文，根据其内容写一篇60词左右的内容概要。An old saying goes that a near neighbor is better than a distant cousin. This saying has fully proved that neighbors are so significant in our life.In the past, neighbors helped one another
24、 build houses and clear fields. They could offer timely help when someone was in trouble. Families depended on one another for friendship and entertainment. They shared happiness and sorrow from time to time, which brought a harmonious atmosphere.However, nowadays, lack of communication and interact
25、ion between neighbors is the norm. The close relationship between neighbors is not common in our cities. A family may not even know the other families that live next door to them. We live in an age of machines and the Internet, and each family has its own car, TV set, and washing machine. People no
26、longer depend on neighbors as much as they once did. Machines and the Internet keep people apart. In our grandparents times, women met while they hung the washing out, and men stopped and talked while they mowed their lawns. Today, they cant hear anything above the noise of their power lawn mowers.
27、And women stay inside with their electrical dryers. Children are inside watching their favorite TV shows or playing computer games.Is the idea of being a good neighbor oldfashioned? In 1965, a power cut hit New York City, and many thousands of people were left helpless. Suddenly everyone shared the
28、same problem, and the largest city became a group of eight million neighbors. People with cars offered rides to those walking. Other people helped direct traffic. Trapped in elevators, people played word games and helped keep each other in good spirits. In times of trouble, people still depend on on
29、e another. As time goes on, people may once again feel that being a good neighbor is important. 参考范文：Neighbors play an important role in our life.(要点1) In the past, neighbors helped one another and lived a harmonious life. (要点2) Admittedly, owing to modern devices and the Internet, neighbors drift apart, resulting in little contact between each other now. (要点3) Nevertheless, undergoing a power failure enabled residents in New York City in 1965 to become neighbors, and they assisted and encouraged one another, which illustrates the significance of being a good neighbor.(要点4)