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题组层级快练17 Unit 2 Working the land “阅读七选五完形”组合练(时间：35分钟).阅读理解阅读下列短文，从每题所给的四个选项(A、B、C和D)中选出最佳选项。(2017长春模拟)Scientists in Argentina have created the worlds first cow with two human genes that will enable it to produce humanlike milk.Genetic engineering was used to introduce the “mothers milk” genes into the animal before birth, according to the National Institute of Agribusiness Technology in Buenos Aires.As an adult, the cloned cow “will produce milk that is similar to that of humans”， which will prove “a development of great importance for the nutrition of infants(婴儿)”， said the institute. “The cloned cow, named Rosita ISA, is the first in the world with two human genes that contain the proteins present in human milk，” said the statement.In April, scientists in China published details of research showing that they had created dairy cows which produced milk containing proteins found in human breast milk. But the Argentine team said the Chinese only introduced one human gene. While their research involved two, meaning the milk will more_closely_resemble that of humans.“Our goal was to raise the nutrition value of cows milk by adding two human genes, which do good to the immune system of infants，”said Adrian Mutto, from the National University of San Martin which worked with the institute.Cristina Kirchner, President of Argentina, said the scientific institute made all Argentines proud. She also said that she had rejected the “honor” of having the cow named after her. “They came to tell me that the name is Cristina, but what woman would like to have a cow named after her? It appeared to me to be more proper to call it Rosita.”1. What is the passage mainly about?A. The importance of genetic engineering.B. Ways to improve mothers milk.C. A cloned cow to produce humanlike milk.D. Advanced agricultural technology in Argentina.2. Which of the following can best replace “more closely resemble” in Paragraph 4?A. have more varieties thanB. be more similar toC. have more nutrition thanD. be more different from3. What can be inferred from Cristina Kirchners statements?A. She was quite satisfied with the research done by the institute.B. She considered it an honor to name the special cow.C. She felt it improper to be named after the cow.D. She refused to give a name to the cow out of selfrespect.答案与解析【文章大意】阿根廷国家农业综合科技研究所的科学家们日前宣布，他们已成功培育出一头能够产类似人奶的奶牛。1. 答案C解析主旨大意题。根据文章第一段Scientists in Argentina have created the worlds first cow with two human genes that will enable it to produce humanlike milk可知，阿根廷的科学家们已成功培育出一头能够产类似人奶的奶牛。故选C项。2. 答案B解析词义猜测题。根据第四段的第二、三句可知，阿根廷的研究组称中国研究组仅放入了一个人类基因，而他们的研究包含了两个，这意味着产出的牛奶将和人奶更相似。故选B项。3. 答案A解析推理判断题。根据最后一段Cristina Kirchner的话“made all Argentines proud”可推知，她对这个研究感到非常满意。故选A项。.阅读填空根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。 ChangeChange is hard. Youve probably noticed that. We all want to become better people stronger and healthier, more creative and more skilled, a better friend or family member. But even if we get really inspired and start doing things better, its tough to actually stick to new behaviors. _1_ Why is that? And is there anything you can do to make change easier?_2_ Recently, she told me a story that happened when she was in high school. She went to a large high school, and it was the first day of class. Many of the students had never met before that day. The teacher went around the room and asked each person to introduce themselves. _3_My girlfriend raised her hand and went around the room and accurately named all 30 people or so. _4_ The guy next to her looked over and said, “I couldnt even remember your name.”She said that moment was a nice experience for her. After that she felt like, “Im the type of person who is good at remembering peoples names.” _5_Heres what I learned from that story: In order to believe in a new identity, we have to prove it to ourselves.A. The rest of the room was in shock.B. You need to start believing new things about yourself.C. My girlfriend is great at remembering peoples names.D. At the end, the teacher asked if anyone could remember everyones name.E. Even today, shes great at remembering the names of anyone we come across.F. You have to become the type of person you want to be, and that starts with proving your new identity to yourself.G. Its more likely that this time next year youll be doing the same thing than performing a new habit with ease.答案与解析【文章大意】本文是一篇夹叙夹议文，论述了作者对人生“改变”的感悟。1. 答案G解析“更常见的情况是，到了明年的这个时候，你还在重复着同样的事情，而不是轻轻松松保持着一个新的好习惯”与本段中的话题“改变太难了”相符。2. 答案C解析根据后面的内容可知，这里谈论的是“我的女朋友非常擅长记住别人的名字”。3. 答案D解析根据上下文可知，这里应该是“等大家都介绍完毕，老师问有没有人记住了每个人的名字”。4. 答案A解析根据上下文可知，“教室里其他所有人都被震惊了”符合此语境。5. 答案E解析这句话是对所讲故事的一个总结，所以“直到现在，她仍然能记住我们遇到过的每个人的名字”符合此语境。.完形填空阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。 (2017百校联盟)Imagine possessing something that you loved so much. Imagine what it would feel like _1_ it. While that item may be something as simple as a doll, you would still feel very upset, but you could _2_ it with a new one. Now _3_ losing something that you depend on for _4_ and cannot be replaced. That is what it would be like if we lost the natural _5_ around us.Firstly, I believe the environment should be _6_ because it supports humans lives. One of the largest examples is that we get all of our _7_ and drinks in the environment. If the environment were to be _8_ beyond revival, then the human race would be over in months. Scientists havent found another planet with _9_ conditions to Earth yet, and even if it is found, we dont have the technology to get to that _10_ on time.Secondly, I believe that the environment serves as an amazing _11_ tool for students. When I was in second grade, I had an absolute interest for _12_. When we had a field trip to the Daggerwing Nature Center, I was very _13_. When we got there, I could _14_ believe what I was seeing. There was a(n) _15_ to get to the main building, and under the bridge was a small swamp with turtles, fish, and my personal favorite, alligators. I was so surprised that I almost _16_ the tour guide. We walked into the building and _17_ various animals in their habitats. I was so inspired by this visit. Six years later, I have taken an animal behavior class for three weeks. Meeting by chance with the environment can _18_ people, and will continue to inspire people if the environment is preserved._19_， the environment is so valuable because it cant be replaced, keeps us _20_， and serves as a great educational tool.1. A. leavingB. gettingC. calling D. losing2. A. share B. fillC. change D. replace3. A. allow B. keepC. imagine D. practise4. A. fortune B. restC. survival D. joy5. A. balance B. environmentC. state D. justice6. A. preserved B. affectedC. concerned D. measured7. A. water B. foodC. recreation D. porridge8. A. retired B. preparedC. destroyed D. wasted9. A. familiar B. tidyC. rich D. similar10. A. planet B. statueC. result D. pattern11. A. physical B. educationalC. personal D. explicit12. A. services B. materialsC. plants D. animals13. A. excited B. puzzledC. tired D. sacred14. A. simply B. hardlyC. totally D. properly15. A. access B. roadC. bridge D. approach16. A. ran over B. met withC. ran into D. chatted with17. A. donated B. comparedC. raised D. saw18. A. inspire B. buyC. lead D. inform19. A. In addition B. In conclusionC. In case D. In advance20. A. alive B. awakeC. asleep D. aware答案与解析【文章大意】本文从两个角度论述了环境的重要性。1. 答案D解析根据上文的possessing可知D项正确。lose与possess是互为相反意义的词汇。2. 答案D解析根据下文的with a new one可知，此处表示“你能用一个新的代替它”。share“分享”；fill“填充”；change“改变”；replace“代替”。3. 答案C解析根据本段首句Imagine possessing something that you loved so much可知C项正确。imagine“想象”；allow“允许”；keep“保持”；practise“练习”。4. 答案C解析根据第二段首句because it supports humans life可知，此处表示“现在想象失去一些你赖以生存的且不能被替代的东西”。fortune“财产”；rest“休息”；survival“存活”；joy“高兴”。5. 答案B解析根据第二段首句Firstly, I believe the environment .可知，此处指的是我们周围的自然环境。balance“平衡”；state“状态”；justice“公正”。6. 答案A解析根据下文的If the environment were to be destroyed beyond revival.可知，此处表示“首先，我认为环境应该被保护，因为它支持人类生活”。preserve“保护”；affect“影响”；concern“担心”；measure“测量”。7. 答案B解析根据上文的because it supports humans lives可知，此处表示“我们在环境中获得我们所有的食物和饮品”，故B项正确。recreation“娱乐”；water“水”；porridge“粥”。8. 答案C解析根据下文的then the human race would be over in months可推知，此处表示“如果环境被破坏就难以恢复”。retire“退休”；prepare“准备”；destroy“毁灭”；waste“浪费”。9. 答案D解析根据语境可知，此处表示“科学家们还没有找到和地球有相似条件的另一个星球”。familiar“熟悉的”；tidy“整洁的”；rich“丰富的”；similar“相似的”。10. 答案A解析根据上文可知，此处指的是“我们没有技术能准时到达那个星球”。11. 答案B解析根据最后一段中的serves a great educational tool以及第三段中的内容可知B项正确。physical“身体的；物理的”；educational“教育的”；personal“个人的”；explicit“清楚明白的”。12. 答案D解析根据下文提到的turtles, fish, and my personal favorite, alligators可知此处表示“当我上二年级的时候，我对动物有十足的兴趣”。service“服务”；material“材料”；plant“植物”。13. 答案A解析根据上文可知，作者对动物有十足的兴趣，故选择excited“激动的”。14. 答案B解析上文提到作者非常兴奋，所以可推测出“当我们到达那儿时，我几乎不能相信所看到的”。simply“只是”；hardly“几乎不”；totally“完全地”；properly“适当地”。15. 答案C解析根据下文的under the bridge可知，有一座桥到达主楼。16. 答案C解析根据上文的I was so surprised that .可知，我是如此惊讶以至于我险些撞到导游身上。run into“撞上”；run over“碾压过去”；meet with“和某人会晤”；chat with“和聊天”。17. 答案D解析根据上文的“. what I was seeing”可知，此处表示“并且在它们的栖息地看到各种各样的动物”。donate“捐献”；compare“比较”；raise“养育；提高”。18. 答案A解析根据下文的and will continue to inspire people if the environment is preserved可知，此处表示“与环境的偶然相遇能激励人们，并且将会继续激励人们”。inspire“激励”；buy“买”；lead“引导”；inform“通知”。19. 答案B解析根据上文的内容和本段内容可知，此处表示对上文的总结和归纳。in addition“此外”；in conclusion“总而言之”；in case“以防万一”；in advance“提前；事先”。20. 答案A解析根据第二段首句it supports humans lives可知，此处表示“环境是那么宝贵，因为它不能被代替，让我们活着并且是一个伟大的教育工具”。alive“活着”；awake“醒着”；asleep“睡着”；aware“意识到”。
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