黑龙江省大庆市2020届高三英语下学期第四次检测试题含解析.docx
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1、黑龙江省大庆市第四中学2020届高三英语下学期第四次检测试题(含 解析)第I卷(选择题)第一部分:听力理解(共两节,满分30分)第一节(共5小题;每小题1.5分,满分7. 5分)听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项, 并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一 小题。每段对话仅读一遍。1. What will Lucy do at11:30 tomorrow?A. Go out for lunch.B. See her dentist. C. Visit a friend.2. What is the wea
2、ther like now?A. Its sunny.B. Its rainy. C. Ils cloudy.3. Why does the man talk to Dr. Simpson?A To make an apology.B. To ask for help. C. To discuss his studies.4. How will the woman get back from the railway station?A. By train.B. By car.C. By bus.5. What does Jenny decide to do first?A. Look for
3、a job. B. Go on a trip.C. Get an assistant.第二节(共15小题;每小题1.5分,满分225分)听第6段材料,回答6、7题。6. What time is it now?A. 1:45. B. 2:10.C. 2:15.7. What will the man do?A. Work on a project. B. See Linda in the library. C. Meet with Professor Smith. 听第7段材料,回答第8至10题。8. What are the speakers talking about?A. Having
4、guests this weekend.B. Going out for sightseeing.C. Moving into a new house.原因。同时指出有些故事需要以适当的方式讲述。由此可推知,作者旨在说服我们为了他人 和我们自己的利益而适当地分享故事。故选D。DFrom talking robots and video phones to rovers on Mars, technology has become so advanced that the previously impossible seems to occur on a daily basis. And yet
5、 - we still have no cure for the common cold.Why can* t we stop the common cold? According to Peter Barlow, a scientist at EdinburghNapier University in the UK, the main challenge lies in the many different types of cold viruses that are produced by the rhinoviruses (鼻病毒).There are at least 160 type
6、s. They mutate (突变)so easily that they quickly become resistant to drugs, or learn to hide from our immune systems. In other words, a single cure isn, t likely to work on every type of cold.However, researchers from Stanford University and the University of California, San Francisco, have found a po
7、ssible answer. They discovered a protein that the viruses need. Without it, they can t spread inside your body.To identify the gene which produces the specific protein needed by the viruses, researchers used a gene-editing technique to test all genes in the human genome (基 因组)one by one for thousand
8、s of cells. Those modified (改变 )cells were then exposed to a range of enteroviruses (肠病毒),including the rhi novi ruses wh i ch cause the common cold. Al 1 the viruses were unable to replicate (复制)inside cells without a gene that produces a specific protein, called methyl transferase SETD3.Then, they
9、 tested genetically modified mice, which were completely unable to produce the protein. The mice were able to live healthy, normal lives without the protein. aLacking that gene protected the mice completely from viral infection. w associate professor Jan Carette, from Stanford, told the BBC. These m
10、ice would always die, but they survived and we saw a very strong reduction in viral replication and very strong protection. MCarette said the plan is to find a drug which can temporarily suppress (抑制) the protein, instead of producing genetically modified humans. We have identified a fantastic targe
11、t that all enteroviruses and rhinoviruses require and depend on. Take that away and the virus really has no chance. said Carette. This is a really good first step - the second step is to have a chemical that mimics (模拟)this genetic deletion. v he added.12. What does Peter Barlow think is the main pr
12、oblem for prevention of the common cold?A. The s1ow mutation of some genes.B. The fast speed at which rhinoviruses spread.C. The wide variety of cold viruses created by rhinoviruses.D. The harm rhinoviruses do to the immune system.13. What can we learn about the protein needed by the viruses?A. It a
13、llows the viruses to mutate easily.B. It helps the viruses replicate inside our bodies.C. It helps the viruses become resistant to drugs.D. It accelerates the speed at which the viruses spread.14. What did the researchers discover in their gene-editing study?A. The modified cells seemed to protect t
14、he mice against viral infections.B. Genetically modified mice died because they lacked the protein.C. More methyl transferase SETD3 was produced after the cells were modified.D. The gene-editing technique was more effective against enteroviruses than rhinoviruses.15. What do the researchers most pro
15、bably do next, according to Carette?A. Conduct experiments on genetically modified humans.B. Apply this gene-editing technique to control other viruses.C. Identify a drug that can help reduce the protein.D. Find a chemical that can cure all enteroviruses and rhinoviruscs.【答案】12. C 13. B 14. A 15. C【
16、解析】【分析】这是一篇新闻报道。本文主要讲了普通感冒没有很好的治愈方法是因为鼻病毒产生的许多不 同类型的感冒病毒,而病毒的传播需要蛋白质,为了确定产生病毒所需特定蛋白质的基因, 研究人员使用基因编辑技术,对人类基因组中的数千个细胞逐一进行基因测试。由此提出了 一种新型的防普通感冒的方法。【12题详解】细节理解题。根据第二段第二句 According to Peter Barlow, a scientist at EdinburghNapier University in the UK, the main challenge lies in the many different types of
17、 cold viruses that are produced by the rhi novi ruses (鼻病毒).(据英国爱丁 堡纳皮尔大学的科学家Peler Barlow称,主要的挑战在于由鼻病毒产生的许多不同类型的感 冒病毒)”可知,PeterBarlow认为预防普通感冒的主要问题是由鼻病毒产生的各种各样的感冒病毒。故选C项。【13题详解】细节理解题。根据第三段最后两句 They discovered a protein that the viruses need. Without it, they can, t spread inside your body.(他们发现了病毒需要的
18、一种蛋白质。 没有它,它们就不能在你体内扩散)”可知,病毒所需的蛋白质帮助病毒在我们体内复制。故 选B项。【14题详解】细节理解题。根据倒数第二段第三句 Lacking that gene protected the mice completely from viral infection. w associate professor Jan Carette, from Stanford, told the BBC.(“缺乏这种基因保护小鼠完全免受病毒感染。”斯坦福大学副教授Jan Carette告诉BBC) 可知,研究人员在基因编辑研究中发现修改后的细胞似乎可以保护小鼠免受病毒感染。故选A
19、项。【15题详解】推理判断题。根据最后一段第一句Carette said the plan is to find a drug which can temporarily suppress the protein, instead of producing genetically modified humans. (Carette说,他们的计划是找到一种可以暂时抑制这种蛋白质的药物,而不是制造转 基因人类)”可推知,根据Carctt。的研究,研究人员接下来最有可能确定一种可以帮助减少 蛋白质的药物。故选C项。【点睛】第二节(共5小题;每小题2分,满分10分) 根据短文内容,从短文后的选项中选出
20、能填入空白处的最佳选项。选项中有两项为多余选项。No matter how hard you work to keep your customers satisfied, you re bound to come up against one or two who have a negative experience with your product or service. 16 However, it s your job to address the customer* s concerns and give them a reason to come back to your bran
21、d. Below are the techniques that have worked in calming any angry customer.17 It may seem like common sense for companies to respond as soon as possible, i f not immediately, to an upset customer. The longer that customer has to wai t, the angrier they* 11 get and the more likely they are to write a
22、 bad review. A quick acknowledgement and show of concern will go a long way.Just listen. Active listening is an essential skill in managing a team. It s just as important for providing good customer service-especially when someone is upset. 18 Then let them know you understand and sympathize with th
23、eir disappointment.Remain calm and ask them what they want to happen. If the No. 1 rule of customer service is that the customer is always right, the second rule is to remain calm. Even in the face of angry customers, keeping a level head will have a naturally calming effect on them.Give them the ti
24、me to explain exactly what they* re upset about. 19 Some times a little compromise might be needed on their part depending upon that solution.Get on the phone. In today s period of social media, customers feel very comfortable airing their frustrations from behind a keyboard. 20 Most of the time if
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