课时分层作业9 （新教材）外研版（2020）选择性必修第二册.doc

1、课时分层作业(九) .阅读理解 A David Braben is a very wellknown game developer who runs the UK development studio, Frontier Developments, but is just as wellknown for being the developer of “Elite”Over his career his studio has brought us the “Rollercoaster Tycoon” series and most recently “Kinectimals” In the b

2、ackground, however, Braben has been trying to solve another problem: getting programming and general learning of how computers work back into schools. Braben says that education since we entered the 2000s has turned towards teaching useful skills such as writing on computer, how to get information,

3、and learning basic computer use skills.And those have supplanted more computer science- like skills such as basic programming and understanding the hardware (硬件) contained in a computer. His solution is not to create his own course, but instead to make a lowcost PC that can be given to kids for free

4、 and his courses are built up around their use.A personal computer is important for each student to have in class.When we say “low cost”， we mean the cost is so low that even “One Laptop per Child” would be realized.Braben has developed a tiny PC.How much is the cost？$25.This is the answer to anyone

5、 that says he/she cant afford a computer.The hardware being offered is good, too.The new tiny PC will let the user look through the Internet and give the user a fully functional(功能) computer to play with.And it can be carried in your pocket or on a key chain. This tiny cheap PC is going to be given

6、to schools through a new charitable foundation(慈善机构) called the Raspberry Pi Foundation.It will help computer science studies in schools.Braben says he hopes that they will be given within the next 12 months. 【语篇解读】 David Braben 研制了只有钥匙扣那么小的计算机，并且免费 送给学校的孩子们。 1What David Braben has been trying to do

7、 is _ Arunning the UK development studio Bletting children learn sciencelike skills Ccreating more advanced computers Dcreating more computer games B 推理判断题。根据第二段的“Braben has been trying to solve another problem: getting programming and general learning of how computers work back into schools.”可以推断出答

8、案。 2What does the underlined word “supplanted” in Paragraph 3 probably mean? AUsed. BChanged. CDesigned. DReplaced. D 词义猜测题。根据语境可知此处指电脑应用技术已取代了 computer science- like skills。 3What do we know about the PC David Braben is developing? AIt is small and very cheap. BIts hardware isnt very good. CIt isnt

9、 a fully functional one. DIt is cheap and not special. A 细节理解题。根据最后一段的“This tiny cheap PC”可知 David Braben 研 制的计算机又小又便宜。 4What kind of person do you think David Braben is? AHe is mean, rich and famous. BHe is able, wise and mean. CHe is rich, selfish and successful. DHe is able, famous and warmhearte

10、d. D 推理判断题。通读全文后知道 Braben 是有名的电子游戏的开发者，开 发了许多产品。 他研制了小的计算机， 并且免费送给孩子们， 可知他是有才华的、 著名并且充满爱心的。 B Pet lovers were very angry.Last May, a news article online said three states had passed laws limiting the number of pets that each household could have to only two.The news spread quickly, as many people sh

11、ared the article on Facebook and other social media sites.But pet owners had nothing to worry aboutthe article was madeup. Many fake (虚假的) news are harmless, but others might have played a role in real- world events.When it comes to online news, even adults can have a hard time telling fact from fic

12、tion.Education experts say kids should start learning how to tell the difference. Of course, there are plenty of reputable websites you can visit to read the news.Well- known news organizations, such as The New York Times and the Associated Press, have their own sites. But many other online “news” s

13、ources arent always reliable.And many students have trouble finding out when articles arent entirely true or are trying to persuade them to think in a certain way. Why would someone purposely publish an article that isnt true? The most common reason is to make money.Websites are paid by the companie

14、s that post ads on them.Companies want to place their ads on sites that get a lot of visitors.So people create fake news with attention- catching headlines to try to get users to click on them. Some of the biggest websites are trying to stop the flow of fake news.Last November, Facebook and Google b

15、anned fake news sites from advertising on their pages.Facebook is also working with factchecking organizations to identify and flag fake articles.But experts say the best way to slow the spread of fake news is for people to be more skeptical(怀疑的) of what they read online. 【语篇解读】 主要内容讲述了虚假新闻正引起社会的关注。

16、 5Whats the authors purpose of writing the first paragraph? ATo make readers focus on fake news. BTo introduce the topic about fake news. CTo state the reasons for fake news spread. DTo inform readers of some media websites. B 推理判断题。根据文章的第一段可知，作者引用网上的一篇杜撰的新闻 报道，想要引出本文关于假消息的话题。故 B 项正确。 6What does the

17、 underlined word “reputable” in Paragraph 3 mean? APopular. BColorful. COfficial. DHonest. D 词义猜测题。根据下文的 Well- known news organizations, such as The New York Times and the Associated Press, have their own sites.可知著名的新闻机 构，如纽约时报和美联社，都有自己的网站。根据常识可知，这些都是有信 誉度的网站，D 项意为“诚实的”，与文意相符，故选择 D 项。 7Whats the mai

18、n idea of this text? APeople create fake news to make money. BThe growing trend of fake news raises concerns. CIts unnecessary for kids to be able to spot fake news. DMost school children can easily recognize fake news. B 主旨大意题。根据第二段到第四段可知，本文围绕着的一个话题是虚假 新闻正引起社会的广泛关注，故 B 项能够概括文意。 8Whats the best way

19、to reduce the influence of fake news? ATo Limit the use of headlines. BTo pass laws to limit the number to post news. CTo encourage reader to be doubtful about what they read online. DTo develop the system of factchecking and flagging fake news. C 推理判断题。根据最后一段的“But experts say the best way to slow t

20、he spread of fake news is for people to be more skeptical(怀疑的) of what they read online.”可知，减缓假新闻传播的最好方法是让人们对他们在网上读到的内容进 行怀疑。故 C 项正确。 .概要写作 阅读下面短文，根据其内容写一篇 60 词左右的内容概要。 In the development of mobile communication technology from 1G to 5G, Chinese mobile communications have made great advancements. Fo

21、r example, China has accounted for 21 items in the 5G standards that have been drawn up for the world, while the United States, Europe, Japan and South Korea possess 9, 14, 4 and 2 items respectively.In particular, the Polar Code of Huawei has been accepted as the control channel code by 3rd Generat

22、ion Partnership Project, which is regarded as a significant breakthrough for Chinese mobile telecommunication in the international standard formulation. It is obvious that 5G is able to provide technological support for equipment connectivity and the transmission(传输) of massive amounts of data and t

23、his will enable the Internet of things, driverless vehicles, virtual reality and smart cities.For example, it will enable smart homes that make life easier for people, and effectively help ease traffic pressure in cities and create a safer driving experience.Moreover, 5G can realize integrated conne

24、ction(集成连接) and remote control of equipment, personnel and production, which will greatly improve the production efficiency and intelligent manufacturing level of enterprises. It is believed that China holds favorable conditions in three aspects for the development of 5G in the future.First, the con

25、sumer market is huge in China.It is estimated that Chinese 5G users will account for 40 percent in the world, which means it would give huge market for 5G commercialization.Second, with the high maturity of 4G technology, China has the worlds largest and most extensive 4G networks, and with its 40 p

26、ercent of 4G base stations in the world, the equipment will provide a solid foundation for the construction of 5G networks.Third, China has displayed complete mobile communication industry chains, which, therefore, provide an advantageous industry ecological environment for the commercialization(商业化

27、) of 5G. Owing to its technological advantages and huge market potential, it is expected that Chinese 5G will transform to powerful industrial advantages and economic dynamics(经济动力) While sharing the benefits of its 5G technology with the people of the world, China still needs to make continuous eff

28、orts to maintain its leading position in 5G. _ _ _ _ _ _ _ 【参考范文】 Huge improvements have been made in Chinese mobile communications from 1G to 5G, gaining a leading position.( 要 点 1) Consequently, 5G provides technological support, integrated connection and remote control to promote production effic

29、iency and intelligent manufacturing level (要点 2)It is believed that 5G commercialization will get powerful support from huge market potential, mature 4G technology and communication industry chains(要点 3) Therefore, Chinese 5G is expected to turn into a strong impetus for industry and economy with continuous efforts.(要点 4)