1、Unit 17 单元主题语篇训练.阅读理解AA Chinese company says it has created a new facial recognition system that can identify people even if they are wearing masks.Engineers at the Beijingbased Hanwang Technology Ltd.say their system is the first to be created to effectively identify people wearing face masks.A tea
2、m of 20 people built the system in about a month.The system is based on existing technologies developed over the past 10 years.The process involved adding a collection of about 6 million unmasked faces and a much smaller collection of masked faces.Hanwang is now selling two main kinds of products th
3、at use the new technology.One performs “single channel” recognition, which is designed to be used at the entrances to buildings.The other product is a “multichannel” recognition system that uses groups of surveillance cameras (监控摄像头)“When wearing a mask, the recognition rate can reach about 95 perce
4、nt, which can ensure that most people can be identified，” said Huang Lei, Hanwangs vice president.He added that the systems success rate for people not wearing a mask is about 99.5 percent.Huang said Hanwangs technology can be used to identify and track people as they move about.He added the system
5、can identify crime suspects, terrorists or make reports or warnings.However, the new system struggles to identify people wearing both a mask and sunglasses.“In this situation, all of the key facial information is lost.In such cases recognition is tough，” Huang said.It was not immediately clear how p
6、eople were reacting to the new technology.While some have expressed opposition to such tools, many others seem to have showed interest in the new system and accepted it as a way to deal with the current health emergency the spread of the novel coronavirus (新型冠状病毒)Huang says he sees the interest like
7、ly expanding if the virus continues to spread and the use of face masks increases.语篇解读：本文是一篇新闻报道。文章主要介绍了北京汉王科技有限公司研发的一种新的面部识别系统，该系统能够有效识别戴口罩的人。1What is the second paragraph mainly about?AWhere the company is located.BHow the system is developed.CWhen the research work started.DWhat the collection st
8、ands for.解析：选B段落大意题。根据第二段最后三句可知，第二段主要讲述的是新的面部识别系统是如何开发的。2What is the limitation of the new facial recognition system?AThe poor storage of information.BThe relatively low recognition rate.CIdentifying people with both a mask and sunglasses.DTracking the movement of crime suspects and terrorists.解析：选C
9、细节理解题。根据倒数第二段中的“However, the new system struggles to identify people wearing both a mask and sunglasses.”可知，这种新的面部识别系统的局限性在于它很难识别同时戴口罩和太阳镜的人。3What attitude does Huang Lei hold towards the new technology?AUnclear.BOptimistic.COpposed. DWorried.解析：选B观点态度题。根据第四段中黄磊对新系统识别率的陈述及最后一段最后一句可推知，黄磊对这项新技术持乐观态度。4
10、Where is the text most likely from?AA travel brochure. BA health magazine.CA medical paper. DA science report.解析：选D文章出处题。根据第一段的内容及下文对该项新技术的介绍可知，这篇文章很可能出自一篇科学报告。BYou might have heard a lot about ancient towns and ancient cities in China. Here, we list several of the most beautiful ancient villages in
11、 China.Baoshan Stone Village, Yunnan ProvinceBaoshan Stone Village was built on a huge mushroomshaped rock, and only has about one hundred houses. The houses are laid out in an orderly way, built on the rock, and linked by stone steps. The Naxi people there still lead an original life and grow crops
12、 in terraces (梯田); you can experience the colorful culture of the Naxi ethnic (民族的) group there.Tuvas Village in Kanas, XinjiangKanas Tuvas Village is near the mysterious Lake Kanas. The small village is located in a valley, and only has about 80 houses. These Swissstyle wooden houses are all surrou
13、nded by wooden fences. Tuvas is an ancient minority group. They traditionally lived as hunters. You can visit a local family, go herding with the locals and experience the peaceful ancient village life.Jiaju Tibetan Village, Danba, Sichuan ProvinceJiaju Tibetan Village is known as the “Tibetan fairy
14、land”. It stands on a mountain slope, and consists of about 140 houses. These unique houses are all built with crownshaped roofs, red caves, and white walls, which make the houses look like little castles among the forest.Xijiang Miao Village, Guizhou ProvinceIf youre interested in the Miao Minority
15、, Xijiang Miao Village can be a great destination for deepening your understanding of Miao history and culture. Its the largest Miao village in China, and now has 1,432 households with a population of over 5, 000, of which 99.5% are Miao ethnic group. Its also famous for the houses built on stilts (
16、支柱) of different heights.语篇解读：本文主要讲述了四个美丽的中国古老村落的相关内容。5What can you do in Kanas Tuvas Village?AHike in terraces.BSee houses of a foreign style.CGo hunting with the locals.DLearn about houses built on stilts.解析：选B细节理解题。根据第三段第三句“These Swissstyle wooden houses are all surrounded by wooden fences.”可知，在K
17、anas Tuvas Village能看到外国风格的房子。6Where can you admire the houses like castles?AIn Baoshan Stone Village.BIn Kanas Tuvas Village.CIn Jiaju Tibetan Village. DIn Xijiang Miao Village.解析：选C细节理解题。根据第四段最后一句中的“make the houses look like little castles among the forest”可知，在Jiaju Tibetan Village可以观赏像城堡一样的房子。7Wha
18、t can we infer about the villages mentioned in the text?AThey remained secret to the outside world in the past.BThey were originally built to defend their homeland.CThey are still cut off and difficult to access nowadays.DThey are the ethnic villages with unique architecture.解析：选D推理判断题。根据文章对各村落的描述可推
19、知，文中提到的都是民族村落且具有独一无二的特点。.短文改错Its been a long time before I left my hometown. I remember it was the beautiful place with an excellent environment, and people there were very kindhearted. Last weekend, I make a call to a friend living there, but he sent me some pictures of the city by email.From the p
20、hoto, I can see that great changes have been taken place there. For example, the streets have become wide, and the buildings higher. Beside, the people are dressed modern clothes. Several modern shopping malls are being built.My hometown has changed very greatly that I can hardly believe my eyes. I
21、hope my hometown can become better and better in the future.答案：第一句：beforesince第二句：thea第三句：makemade; butand第四句：photophotos; 去掉been第五句：widewider第六句：BesideBesides; dressed后加in第八句：veryso.书面表达假定你是李华，你的英国笔友Tom给你写信，说他暑假要来北京，参加一个关于老北京胡同的中国文化研究课程，请你给他回信，介绍一下胡同。内容要点如下：1胡同的基本情况；2胡同的历史由来。注意：1.词数100左右；2可以适当增加细节，
22、以使行文连贯；3开头和结尾已给出，不计入总词数。参考词汇：胡同alley；四合院courtyardDear Tom，Glad to receive your last letter， Have a good time!Yours，Li Hua参考范文：Dear Tom，Glad to receive your last letter, where you said you had a great fancy for Beijing hutongs and wanted to know more. Here Id like to share something with you.The word
23、 “hutong” originates from the word “hottog” which means “well” in Mongolian. Villagers dug out a well and inhabited there. Hutong means a lane or alley, in fact the passage formed by lines of Siheyuan (a compound with houses around a courtyard) where old Beijing residents live. Beijings hutongs are
24、inequable ranging from 40 centimeter to 10 meter in wide. The longest has more than 20 turns. The graytiled houses and deep alleys crossing with each other in identical appearance like a maze, you will find it much fun to walk through but be careful not to lose yourself.Have a good time!Yours，Li Hua
