1、【 精品教育资源文库 】 Unit 2 Cloning .阅读理解 A There are many ways in which human cloning is expected to benefit mankind.Below is a list that is far from completion. Dr.Richard Seed,one of the leading proponents (支持者 ) of human cloning technology,suggests that it may someday be possible to reverse the aging p
2、rocess because of what we learn from cloning. Scientists believe that they may be able to treat heart attack victims by cloning their healthy heart cells and injecting them into the areas of the heart that have been damaged.Heart disease is the number one killer in the United States and several othe
3、r industrialized countries. There has been a breakthrough in the research on human stem cells.Embryonic (胚胎的 ) stem cells can be grown to produce organs to repair or replace damaged ones.Skin for burned victims,brain cells for the brain damaged,hearts,lungs,livers,and kidneys could be produced.By co
4、mbining this technology with human cloning technology it may be possible to produce needed organs for suffering people that will be free of rejection by their immune systems.Conditions such as Alzheimers disease,Parkinsons disease,diabetes,heart failure,and other problems may be made curable if huma
5、n cloning and its technology are not banned. Despite getting a fair amount of publicity in the news, current treatments for infertility (不生育 ),in terms of percentages,are not very successful.One estimate is that current infertility treatments are less than 10 percent successful.Couples go through ph
6、ysically and emotionally painful procedures for a small chance of having children.Many couples run out of time and money without successfully having children.Human cloning could make it possible for more infertile couples to have children than ever before. 1.The passage mainly deals with . A.the pro
7、blems with human cloning B.the disadvantages of human cloning C.the advantages of human cloning 【 精品教育资源文库 】 D.the different ways human cloning is done 2.According to Dr.Richard Seed we can use cloning technology . A.to make people look younger B.to make people live longer C.to cure people of many
8、diseases D.to produce more animals 3.From the passage we can infer that . A.cloning has already been used to treat heart diseases B.we can treat a mans heart disease by cloning others hearts C.most people in industrialized countries suffer from heart diseases D.more people die of heart diseases than
9、 of other diseases in America 4.What would be the best headline for the last paragraph? A.With Cloning,Infertile Couples Could Have Children B.Treatment of Infertility Is Not Successful C.Physically and Emotionally Pain of Infertile Couples D.The News Is Not Telling the Truth 5.With an organ cloned
10、from his own stem cells, . A.the patient is more likely to develop other diseases B.the patients immune systems dont reject t he new organ C.the patient will be free of rejection by his immune systems D.the patient will suffer from Alzheimers disease B (2018 山东寿光现代中学高三开学考试 ,B) Seven years ago, back
11、in 2010,some reports covered a story that the worlds longest railway tunnel was under construction in Switzerland. At that point it had already been under construction for over a decade. It had been voted to be built nearly a quarter of a century ago! The idea to build it could date back to nearly 7
12、0 years ago about as old as some of your grandparents! Yesterday, it was finally ready! 【 精品教育资源文库 】 Its 35 miles long and runs 7,500 feet beneath the Swiss Alps, a famous mountain range in Switzerland. It even runs under an old tunnel that was there before. It took a total of 17 years to build at
13、a cost of $12 billion.128 million tons of rock were dug. Two million truckloads of earth were removed! The tunnel connects northern and southern Europe. The opening of this runnel was such a big deal that the Germanys leader, Chancellor Angela Merkel, Frances p resident, Francois Hollande, and Italy
14、s prime minister, Matteo Renzi, were all there to celebrate, as was Austrias chancellor Christian Kern. Its called the Gotthard Base Tunnel.Eventually,325 freight and passenger trains will go through the tunnel, relieving a lot of traffic on the roadways there and making it a more environmentally fr
15、iendly option. The Gotthard Base Tunnel is a wonder of engineering! Make us want to visit it! 6.When did people first have the idea of building the Tunnel? A.About 70 years ago. B.Half a century ago. C.Twenty-five years ago. D.Seven years ago. 7.What can we learn about the Tunnel? A.It used to be an
16、 old tunnel. B.It has just been completed. C.It connects all European countries. D.It runs over a range of mountains. 8.What may be the purpose of building the Tunnel? A.To improve traffic. B.To increase employment. C.To attract donation. D.To stop pollution. 9.What can be inferred about the Tunnel?
17、 A.It will cause conflicts among countries. B.It will be of little benefit to the locals. C.It may do damage to the environment. D.It may become a tourist attraction. .语法填空 (2018 安徽高中十校联盟高三摸底 ) 【 精品教育资源文库 】 阅读下面短文 ,在空白处填入 1 个适当的单词或括号内单词的正确形式。 One of the biggest challenges 1 (face) by students today
18、 is how to concentrate on studies. Almost all of them are struggling for their concentration power. In an age 2 mobile phones and the Internet are eating up most of our time and energy, one can understand how difficult it is to focus attention and energy on studies. One of the most important 3 (fact
19、or) in developing concentration on a task, whether it is study or anything else, 4 (be) to develop an interest in the task. We are able to focus 5 (easy)on tasks that we find more interesting. If you want to concentrate on something studies are no 6 (except),you need 7 (ensure) that the environment
20、around you is distraction free. So the question is not how to concentrate on studies 8 how to avoid distractions that have swallowed up mankind today. The only way to guarantee 9 distraction-free environment is by getting rid of all the unnecessary things around you, including the electronic gadgets
21、(小器具 ) 10 mobile phones. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. .短文改错 假定英语课上老师要求同桌之间交换修改作文 ,请你修改你同桌写的以下作文。文中共有 10 处语言错误 ,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。 增 加 :在缺词处加一个漏字符号 ( ),并在其下面写出该加的词。 删除 :把多余的词用斜线 ()划掉。 修改 :在错的词下画一横线 ,并在该词下面写出修改后的词。 注意 :1.每处错误及其修改均仅限一词 ; 2.只允许修改 10 处 ,多者 (从第 11 处起 )不计分。 Last Saturday, my
22、parents and I paid visit to my grandparents by train. There was a large number of people in the crowded train, but everyone help those who had lots of baggage and behaved politely. Along the way, we enjoyed beautifully views. At first, we saw one hill after another. Then what came into our eye were
23、fields with green crops. In a six-hour trip, we arrived at my grandparents house. Exhausted though I felt, but I was happy to see my grandparents, which I hadnt seen for a long time. Its really an excited trip because it was the first time I had taken so a long-distance train. 【 精品教育资源文库 】 【 精品教育资
24、源文库 】 答案精解精析 . 阅读理解 A 语篇解读 本文主要讲述了克隆技术对人类的一些有利的 方面。 1.C 主旨大意题。根据第一段中的 is expected to benefit mankind 及下面的内容判断 ,文章主要谈论的是 human cloning 的优点。 2.B 推理判断题。根据第二段的 to reverse the aging process 推断 ,利用克隆技术可以使人们长寿。 3.D 推理判断题。根据第三段可知 ,心脏病是美国和其他工业化国家的头号杀手 ,因此死于心脏病的人要比死于其他疾病的人多。 4.A 主旨大意题。最后一段的主要意思是 “ 利用克隆技术可以使不能生育的夫妇有自己的孩子 ”, 所以用 A 项作小标题。 5.B 细节理解题。由第四段中的 that wil
