（新課標(biāo)）2020高考英語二輪總復(fù)習(xí) 第三講 閱讀理解 3.7 主旨大意（一）段落主旨專題限時(shí)訓(xùn)練

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1、3.7 主旨大意（一）段落主旨 A 遼寧省葫蘆島協(xié)作校2018－2019高三下二模 Tablets are really useful devices (設(shè)備)，but their big screens are always a burden to carry around. Wouldn't it be great if there were a phone with the powers of a tablet that could be folded up and fit neatly into the hand? Now something like a tablet-s

2、haped but foldable phone is about to become available. In February, South Korean electronics company Samsung and China's Huawei both launched foldable phones. Mobile phone use has entered the “foldable future”． The technology could change our lives in significant ways. These devices, due to their b

3、endable screens, give us the larger screens we want. Meanwhile, they still fit easily into the pocket. As USA Today noted, they're “the combination of a small tablet and smart-phone, all in a single device”． The technology could change other devices too. For example, we could make TVs that stick to

4、 walls like posters, or fold up easily to hide away in drawers. In crowded modern cities, they will help us to maximize available space. Samsung's senior vice president of mobile product marketing, Justin Denison, called the foldable screen “the foundation for the smartphone of tomorrow”. “It's a b

5、lank canvas (畫布)for us to do something beautiful together，” he said. So is there nothing to stand in the way of the foldable future？According to tech news website Android Authority, the necessary displays were difficult to produce. In 2012, nine out of every ten OLED (有機(jī)發(fā)光二極管)screens produced were

6、found imperfect. While it has been improved today, the price is still too high for people to afford. But if the foldable device isn' t going to change the world overnight, there is no doubt that it is coming. Patrick Moorhead, an industry analyst told The verge, “Few are debating if foldable or rol

7、lable mobile displays are the future of smartphones; the only question is when and by whom.” 1．What is Paragraph 3 mainly about? A．The future of foldable phones. B．The application of foldable phones. C．Possible advantages of the foldable screen. D．Popular foldable screen devices on the market.

8、 2．What can we learn from Denison's words? A．The foldable screen has great potential. B．Foldable phones still have many problems. C．The production of foldable phones will soon increase. D．Companies need to work together to develop foldable phones. 3．What is the problem with foldable phones at t

9、he moment? A．They are hard to mass produce. B．They cost too much for most families. C．They are not as useful as were thought. D．They break more easily than ordinary phones. 4．What is the author's attitude toward the future of the foldable screen? A．Worried. B.Cautious. C．Positive. D.Unconcern

10、ed. [語篇解讀]　本文是一篇說明文。平板電腦是一種非常有用的電子設(shè)備，但是攜帶不方便。本文介紹了一款可以折疊的、具有智能手機(jī)功能的平板電腦。 1．C　【解析】段落大意題。根據(jù)第三段的內(nèi)容可知，本段主要介紹了可折疊屏幕的優(yōu)點(diǎn)。故選C。 2．A　【解析】推理判斷題。根據(jù)第五段第一句可以推斷出，可折疊屏幕有很大的潛力，故選A。 3．B　【解析】推理判斷題。由倒數(shù)第二段的最后一句的“the price is still too high for people to afford.”可知，現(xiàn)在的可折疊電腦手機(jī)對于大多數(shù)家庭來說價(jià)格有些貴。故選B。 4．C　【解析】觀點(diǎn)態(tài)度題。由根據(jù)最后一段

11、的第一句中“there is no doubt that it is coming.”可知，作者對于可折疊電腦手機(jī)中的未來持有積極的態(tài)度，故選C。 B Building a company website is one of the most important parts of creating a successful business.But designing a website can be time-consuming and expensive.Web designers are difficult to work with，even though you're payin

12、g them.There are cheaper ways to establish your company online，and W stands out among them. W offers free HTML 5 and Flash website design that you can do on your own，without having to pay a pricey web designer.With unlimited space for as many pages as you want，customized looks，photo galleries，blog

13、platform capabilities，and social networking buttons，W has everything a business of any size needs to make an impact online.You get full control over what information fills in the blanks, and you don't have to know a thing about HTML to make this work.The way your website looks says a lot about your

14、company.W does that，and it does it for free.Another thing that makes W the most affordable option in creating a website is that you don't have to pay for a separate web host—every page created on W is hosted on W，free of charge. The Internet is the marketplace of ideas：Your company needs to share w

15、hat you think.If you think just because you don't sell a product online you don't need a website，you're dead wrong.No matter what kind of business you have，if you want to reach an audience，you have to have a website that speaks to people.W lets you do that as quickly and easily as possible for free.

16、 If you have a bigger budget，W has more options than just the free website design.You can choose to upgrade(升級)to the adless version which won't fill up your customers' screens when they visit your site.But if the most important thing to you is getting your company's name online right now，try W tod

17、ay. 5．W is meant to ________. A．sell products on the Internet B．a(chǎn)ttract more customers online C．build a company's website cheaply D．collect any possible information 6．What is Paragraph 2 mainly about? A．Ways of finding free service. B．Advantages of W. C．Skills of creating websites. D．Trick

18、s of running a company. 7．If you create a company website on W，you ________. A．have to be a good web designer B．won't do it easily and quickly C．can share ideas with customers D．must upgrade to the adless version [語篇解讀]　本文是應(yīng)用文。介紹了一個(gè)網(wǎng)絡(luò)平臺(tái)W，通過該平臺(tái)人們可以免費(fèi)或低成本地設(shè)計(jì)公司網(wǎng)站的網(wǎng)絡(luò)平臺(tái)。 5．C　【解析】推理判斷題。根據(jù)第一段的最后一句“T

19、here are cheaper ways to establish your company online，and W stands out among them.”可知，W是用低成本建公司網(wǎng)站的網(wǎng)絡(luò)平臺(tái)。 6．B　【解析】段落大意題。第二段主要介紹了W的優(yōu)點(diǎn)，如：它可以提供給用戶免費(fèi)的HTML 5和Flash網(wǎng)站設(shè)計(jì)及無限的網(wǎng)頁空間等。 7．C　【解析】推理判斷題。根據(jù)倒數(shù)第二段的第一句“The Internet is the marketplace of ideas：Your company needs to share what you think.”及最后兩句“No matter

20、 what kind…you have to have a website that speaks to people.W lets you do that as quickly and easily as possible for free.”可知，如果一家公司在W上建一個(gè)網(wǎng)站，你就可以與顧客分享公司的想法。 C Self-driving vehicles will rely on cameras, sensors and artificial intelligence(AI) to recognize and respond to road and traffic conditions

21、, but sensing is the most effective for objects and movement in the neighborhood of the vehicle. Not everything important in a car's environment will be caught by the vehicle's camera.Another vehicle approaching at high speed on a collision (碰撞) track might not be visible until it's too late. This i

22、s why vehicle-to-vehicle communication is undergoing rapid development. Our research shows that cars will need to be able to chat and cooperate on the road, although the technical challenges are considerable. Applications for vehicle-to-vehicle communication range from vehicles driving together in

23、a row, to safety messages about nearby emergency vehicles. Vehicles could alert each other to avoid collisions or share notices about passers-by and bicycles. From as far as several hundred metres away, vehicles could exchange messages with one another or receive information from roadside units(RSU

24、s)about nearby incidents or dangerous road conditions through 4G network. A high level of AI seems required for such vehicles, not only to self-drive from A to B, but also to react intelligently to messages received. Vehicles will need to plan, reason, strategize and adapt according to information r

25、eceived in real time and to carry out cooperative behaviours. For example, a group of autonomous vehicles might avoid a route together because of potential risks, or a vehicle could decide to drop someone off earlier due to messages received, a foreseen crowding ahead. Further applications of vehic

26、le-to-vehicle communication are still being researched, including how to perform cooperative behaviour. 8. What is the first paragraph mainly about? A．The reasons for the accidents by self-driving vehicles. B．The research about applications for self-driving vehicles. C．The importance of artifici

27、al intelligence of self-driving vehicles. D．The reasons for developing communication between self-driving vehicles. 9. What does the underlined word “alert” mean in Paragraph 2? A．Alarm. B.Condemn. C．Ignore. D.Govern. 10. What can we learn about roadside units(RSUs)? A．They classify the vehicl

28、es on the road. B．They can improve bad road conditions. C．They take over the passing vehicles. D．They serve as efficient information stations. 11. What is the best title for the text? A．When do vehicles communicate? B．The reasons why a high level of AI is important. C．Vehicle-to-vehicle commu

29、nication is coming. D．What do applications for vehicle-to-vehicle communication need? [語篇解讀]　本文是一篇說明文。無人駕駛需要攝像機(jī)、傳感器、人工智能等軟件的使用和相互配合，才能達(dá)到預(yù)期的效果；但是汽車周圍的環(huán)境以及車輛之間的差異是難以準(zhǔn)確把握的。所以對“車輛與車輛”之間的交流、合作的研究在無人駕駛中變得越來越重要。 8．D　【解析】主旨大意題。由第一段倒數(shù)第二句“This is why vehicle-to-vehicle communication is undergoing rapid development.”可知，本段主要介紹了發(fā)展無人駕駛車輛之間的通信的原因。 9．A　【解析】詞義猜測題。根據(jù)句意：車輛能夠互相“預(yù)警”避免發(fā)生碰撞，并且分享路上行人等的信息。故答案為A。 10．D　【解析】細(xì)節(jié)理解題。根據(jù)第三段的第一句可知RSUs可以充當(dāng)無人駕駛汽車信息交流的中轉(zhuǎn)站。 11．C　【解析】主旨大意題。根據(jù)第一段最后的說明以及最后一段的結(jié)論可知，本篇文章主要介紹了無人駕駛汽車之間交流的研究和開發(fā)。故答案為C。 5