1、高考资源网（） 您身边的高考专家课时作业8Unit 3Section Discovering Useful Structures.单句语法填空1More than 50,000 yuan _ (raise) for the poor family since the group was founded.2Chinas space program _ (develop) greatly since it sent its first astronaut to space in 2003.3Computer science, with which rapid progress _ (make) i
2、n recent years, plays a very important part in our daily life.4Up to now, more than five new species _ (find) on this island by researchers.5Black Friday _ (regard) as the beginning of the holiday shopping season for years.6Since the early 1990s, a lot of clinics _ (found) in this country to treat p
3、oor people for free.7The balance between the city and the country _ (break) by the industrial development over the past two centuries.8Some efforts _ (make) to improve the air quality in the city last winter.9Over the past three years, the paintings _ (take) to more than 20 museums in the world.10Fo
4、r centuries, the ancient language _ (pass) on from one generation to another.阅读理解AIf you use social media to chase away loneliness, a new study suggests that youre going_against_the_grain.We may have heard a lot about the benefits of interacting with others online, but the findings of a study conduc
5、ted by scientists from the University of Pittsburgh School of Medicine show a direct relationship between social media usage and feelings of isolation (孤独). In short, the more time you spend on social media, the lonelier you may feel.With increasing usage of a large number of apps that allow for end
6、less virtual connectivity, loneliness seems like the last problem frequent social media users would face, but according to Brain A. Primack, the leader of the study, it has the exact opposite effect.“Mental health problems and social isolation are widespread among young adults nowadays，” Primack sai
7、d. “We are naturally social creatures, but modern life tends to separate us instead of bringing us together. While it may seem that social media presents opportunities to fill the social void (空白), I think this study suggests that it may not be the solution people were hoping for.”Primack and his te
8、am examined the social media habits of 1,787 US. adults aged between 19 and 32 via a questionnaire that asked about the frequency and the time they spent on the most popular social media platforms. Eventually, they determined that young adults who are constantly logging in social media are lonelier
9、than those with less social media usage. Frequent exposure to unrealistic descriptions on social media instead of facetoface social interactions may give people the impression that others are living happier and have more sociable lives, and this may make users feel more isolated in comparison.1What
10、does the underlined phrase “going against the grain” in Paragraph 1 mean?ADoing it all wrong. BOn the way to success.CTaking a risk. DMaking a difference.2How did Primack and his team conduct the study?ABy providing explanations.BBy collecting data online.CBy doing a survey.DBy describing their own
11、experiences.3What can we learn from the study?AYou will feel happier if you spend more time online.BOnline interaction is not the solution to social isolation.CVirtual connectivity is the best way to fill the social void.DPopular social media platforms can bring people together.BYou can often choose
12、 a private setting when you browse (浏览) the Internet. But be forewarned: It may not afford as much privacy as you expect. Thats the finding of a new study.Major web browsers offer a privatebrowsing option. Its sometimes referred to as “incognito (隐姓埋名的)”. This option lets you surf the Internet and s
13、aves a record into its history of each page that you visit. And what sites you visit wont affect the suggestions your browser makes the next time youre filling out an online form.Many people believe incorrectly that the incognito setting protects them more broadly. Most believe it even after reading
14、 a web browsers explanation of the incognito mode.For instance, a new study had 460 people read web browsers descriptions of private browsing. Each person read one of 13 descriptions. Then the participants answered questions about how private they thought their browsing would be while using this too
15、l. The volunteers didnt understand the incognito mode. This was true no matter which browser explanation they had read. The researchers reported their findings on April 26 at the World Wide Web Conference 2018 in Lyon, France.More than half of the volunteers thought that if they logged in an account
16、 of a search engine through a private window, it wouldnt keep a record of their search history. Thats not true. And about one in every four participants thought private browsing hid their devices IP address. Thats also wrong.Blase Ur was one of the studys authors. Hes an expert in computer security
17、and privacy at the University of Chicago in Illinois. “Companies could clear up this confusion by giving better explanations of the incognito mode，” his team said. For example, the browsers should avoid vague (模糊的) expressions. A web browser, for instance, promises users that “your secrets are safe”
18、. Nope. Another encourages users to “browse like no ones watching”. In fact, someone might be. (If youd like to know more about the research information, please click here.)4What is the researchers aim by doing the study? ATo check the safety of browsers of leading companies. BTo find users knowledg
19、e about private browsing mode. CTo track young web users browsing habits. DTo test a new tool to maintain the Internet.5The “incognito” mode is believed to be able to _. Arecord ones passwords Bgive a warning of insecure links Chelp hide ones browsing history Daccess ones favorite website quickly6Wh
20、at is the authors purpose by writing the last paragraph? AReporting a new finding. BPutting forward a suggestion. CIntroducing a web browser. DCorrecting a misunderstanding.完形填空In China, the Spring Festival is the most important of all the holidays in the year. Two important things _1_ to make this
21、holiday different from all the others: giving presents and spending it _2_ the family. Many weeks _3_ the Spring Festival, we know it is coming. In the _4_ goods for this special holiday appear and outside them are the special New Year decorations. The advertisements _5_ all the newspapers tell us t
22、hat there are “Only five _6_ shopping days to Spring Festival”. _7_ you go, you will realize that.Spring Festival, which comes “only _8_ a year”， is coming again. Giving _9_ to ones family is a very sweet custom. The spirit behind the present matters most, not the present _10_. It is good at Spring
23、Festival to _11_ to the hometown and meet parents, grandparents and as many aunts, uncles and cousins as possible.In the past, _12_ New Years Eve, all the members of a family _13_ stay at home making dumplings together. _14_ many people enjoy watching TV. During the day, children wear their new clot
24、hes. The evening is usually spent in games, talking, more eating and _15_.1A.help BwantCget Dhope2A.in BonCat Dwith3A.after BbeforeCduring Dat4A.towns BschoolsCshops Drestaurants5A.on BinCfrom Dabove6A.other BfewerCanother Dmore7A.Where BWhereverCWhatever DHow8A.a time BtwiceCone Donce9A.money Bpres
25、entsCwishes Dcards10A.itself BthemselvesCby itself Deither11A.go BcomeCreturn Dturn12A.in BatCon Dby13A.would BmightCcould Dhave to14A.Now BButCAnd DSo15A.sleeping BplayingCrunning Ddrinking课时作业8.单句语法填空1has been raised2.has been developed3.has been made4.have been found5.has been regarded6.have been
26、 founded7.has been broken8.were made9.have been taken10.has been passed.阅读理解A【语篇解读】 这是一篇说明文。研究表明，人们在社交媒体上花的时间越多，可能会感到越孤独。1答案与解析：A词义猜测题。由第一段的内容以及第二段的最后一句可知，如果你用社交媒体来排解孤独，一项新的研究表明这是在违反常理。简而言之，你在社交媒体上花的时间越多，可能会感到越孤独。所以通过语境可以判断出，第一段中加下划线的短语“going against the grain”与“Doing it all wrong”意思相近。故选A。2答案与解析：C细
27、节理解题。由第五段的第一句可知，Primack和他的团队通过问卷调查了1 787名19岁到32岁的美国成年人的社交媒体习惯，询问他们使用最受欢迎的社交媒体平台的频率和所花费的时间。所以Primack和他的团队是通过做一个调查进行这项研究的。故选C。3答案与解析：B推理判断题。由第四段的最后一句可知，虽然社交媒体似乎提供了填补社交空白的机会，但研究表明，这可能并不是人们过去所希望的解决方案。由此可知，在线互动并不是解决孤独的办法。故选B。B【语篇解读】这是一篇说明文。人们浏览互联网时，经常可以选择一个隐私设置，但这可能没有想象的那么保护人们的隐私。4答案与解析：B推理判断题。由第四段中的“The
28、n the participants answered. explanation they had read”可知，研究人员进行这项研究的目的是调查用户对隐私浏览模式的了解程度。故选B。5答案与解析：C推理判断题。由第二段中的“This option lets you. that you visit”以及第三段的第一句可知，此选项允许您浏览互联网，并记录您访问的每个页面。许多人错误地认为“匿名”模式能更广泛地保护他们的隐私。所以判断出人们认为“匿名”模式能够帮助隐藏浏览历史。故选C。6答案与解析：B写作意图题。由最后一段中的“Companies could clear up. no ones
29、watching”可知，Blase Ur的团队说，公司可以通过更好地解释匿名模式来澄清这种混淆。例如，浏览器应该避免模糊表达。由此判断出最后一段的目的就是为了提出建议。故选B。.完形填空【语篇解读】本文主要介绍了中国传统文化中的春节这一节日。1答案与解析：A句子的意思为“两件重要的事情帮助使这个假期与其它的有所不同。”故答案为A项。2答案与解析：Dspend the holiday with sb.和某人一起度过假期。3答案与解析：Bbefore意为“在之前”，after“在之后”，during“在期间”，正确答案为B项，表示“春节前的几个星期”。4答案与解析：Ctown城镇，school学校
30、，shop商店，restaurant饭店。为春节置办东西应该是在商店里，故正确答案为C项。5答案与解析：B在报纸上要用介词in。6答案与解析：D表“另外的、额外的、附加的”之意时，another置于数词之前，而more一般位于数词之后名词之前。7答案与解析：B句子的意思为“无论你走到哪里，你都要意识到一年只有一次的春节又要来临了。” Wherever表示“无论哪里”。Where哪里，Whatever无论什么，How怎样。8答案与解析：D春节一年只有一次，因此正确答案为D项，once表示“一次”。9答案与解析：B根据后文The spirit behind the present matters
31、most可知，答案应该为B项，表示“送礼物”，而不是送钱，送愿望，也不是送贺卡。10答案与解析：A因present是单数名词，故使用itself。11答案与解析：Creturn to the hometown意为“回到家乡；返乡”。12答案与解析：Con表示特殊日子，on New Years Eve意为“在除夕”。13答案与解析：Awould表过去经常做的事(过去常常)，might可能，could能、会，have to不得不。句子的意思为“过去，在除夕，家里所有人都将待在家里一起包饺子。”故答案为A项。14答案与解析：A选用Now，与其前的In the past形成对比。15答案与解析：D根据其前的eating可知正确答案为D项，drinking意为“喝”。- 6 - 版权所有高考资源网
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