話題10 北斗導航衛(wèi)星系統(tǒng)-2020-2021學年高二熱點話題閱讀與題型專練(通用版)

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1、優(yōu)點英語 2020-2021 學年高二期末復習熱點話題閱讀與題型專練 10 話題:北斗導航衛(wèi)星系統(tǒng) 【1  】 閱讀下面短文，在空白處填入 1 個適當?shù)膯卧~或括號內(nèi)單詞的正確形式。 Up to now, 55 BeiDou satellites 1． (send) up ， meaning the completion of China's self-developed BeiDou Navigation(導航 ) Satellite System (BDS). BDS appears later 2 ． America's GPS, Ru

2、ssia's GLONASS and EU's Galileo, but it can match them. As one of the fourth 3 ． (globe) navigation satellite systems, BDS involves efforts of over 400 agencies and 300,000 research personnel and technicians. Originally 4． (plan) in the 1980s, the network represents a milestone in China's s

3、pace effort. BDS is comparable to GPS in terms of the 5 ． (accurate) of positioning. It also offers short message communication and thus can provide emergency communications in areas 6 ．  conventional communication signals are poor in an effort 7 ．(improve) the quality of their posit

4、ioning services, Apple and Samsung phones, among others, are already using BDS's signals, and so8． (be) every Chinese brand. The construction of complete BDS is a huge technical achievement for China and can 9 ． (easy) pay 10．in the near future. Meanwhile, BDS's great contribution to promot

5、ing the world's economic and social development as well as the peaceful use of space has attracted the world's attention. 【2  】 閱讀選擇 In the distant past, our ancestors relied on stars to guide them on a clear night. Today, we have navigational(導航的)systems to help us find our way,

6、the latest of which is the Beidou Navigation Satellite System (BDS). The BDS is entirely built by Chinese engineers. With the launch of the last satellite from the Xichang Satellite Launch Center on June 23, the global network of 59 satellites has been completed. On July 31, 優(yōu)點英語 Beidou s

7、tarted providing services covering our whole planet. It’s difficult to imagine the grea t influence those satellites have on our daily lives. When you unlock one of Hellobike’s bicycles, you are using the BDS. “The intelligent lock on each bike receives Beidou satellite signals and sends po

8、sitioning information to the data center which will help collect big data on the bikes and predict users’ riding needs in advance according to the data,” Chu Yiqun, a manager of Hellobike mentioned. Users can also find shared bikes more accurately(精確地) thanks to Beidou’s global positioning acc

9、uracy of 2.34 meters. Beidou adopts a unique two-way communication system, including its ability to receive messages sent by people from areas with poor communication signals. Obviously this function isn’t designed for users to chat online. Instead, it plays a role when disasters occur and com

10、munications are blocked. After the Wenchuan Earthquake in 2008, all ground-based communication facilities were interrupted. Though the first generation of Beidou could only send 120 characters in a single message at that time, communication between affected areas and rescue(救援) centers was

11、successful. Now, Beidou’s messaging ability has been increased to 1, 200 Chinese characters in a single message. It is widely used in disaster alarms, automatic identification and information release. As Sun Jiadong, former chief designer of the BDS said: “ The application(應(yīng)用) of Beidou is onl

12、y limited by imagination.” 11．What can we learn about the BDS from the passage? A．It was developed by Chinese and American engineers. B．It works better on clear nights. C．Its last satellite was launched on July 31. D．It’s able to provide global coverage for navigation. 12．Why does

13、the author mention Hellobike in Paragraph 3? A．To stress the excellent positioning ability of the BDS. 優(yōu)點英語 B．To show how the BDS makes people’s daily lives easier. C．To present the advantages and disadvantages of the BDS. D．To explain how the BDS works. 13．What is Beidou’s two

14、-way communication system designed for? A．To help people when communication signals are poor. B．To make users’ daily communication more fun. C．To allow users to chat online more freely. D．To collect data from users for the data center. 14．What does the underlined sentence in the last

15、paragraph mean? A．Beidou may be more helpful than we know. B．Beidou inspires users’ imagination. C．Beidou needs to be further improved. D．Beidou is limited in application. 參考答案 1．have been sent 2．than 3．global 4．planned 優(yōu)點英語 5．a(chǎn)ccuracy 6．where 7．to improve

16、 8．is 9．easily 10．off 【分析】 本文是一篇新聞報道。文章主要介紹了中國自主研發(fā)的北斗導航衛(wèi)星系統(tǒng)。 1． 考查現(xiàn)在完成時的被動語態(tài)。句意：直到2020 年 6 月 23 日，已經(jīng)發(fā)射了 55 顆北斗衛(wèi)星，意味著中 國自主研發(fā)的北斗導航衛(wèi)星系統(tǒng)已經(jīng)完成。本句描述過去發(fā)生的事情對現(xiàn)在的影響用現(xiàn)在完成時， 55 BeiDou satellites 與 send 是被動關(guān)系，用被動語態(tài)，故填 have been sent。 2． 考查介詞。句意：北斗導航衛(wèi)星系統(tǒng)比美國的 “ 全球定位系統(tǒng) ”、俄羅斯的 “GLONASS”和

17、歐洲的“ 伽 利略”出現(xiàn)的晚一些。根據(jù)形容詞比較級 later 可知，此處應(yīng)填“比”，故填 than。. 3． 考查形容詞。句意：作為全球第四大導航衛(wèi)星系統(tǒng)，北斗導航衛(wèi)星系統(tǒng)中包含超過 400 家機構(gòu)、300000 個研究者和技術(shù)人員的努力。根據(jù)句子結(jié)構(gòu)可知，此處應(yīng)填形容詞，修飾名詞短語 navigation satellite systems，故填 global。 4． 考查過去分詞。句意：這個網(wǎng)絡(luò)的計劃起始于 20 世紀 80 年代，它代表著中國空間站努力的里程碑。 根據(jù)句子結(jié)構(gòu)可知，空格處是句子的狀語，the network 與 plan 是動賓關(guān)系，

18、表示被動，所以用過去 分詞作狀語。故填 planned。 優(yōu)點英語 5． 考查名詞。句意：在定位的精確性方面，北斗導航衛(wèi)星系統(tǒng)可以與全球定位系統(tǒng)相比。作in terms of 的賓語用名詞，根據(jù)句意故填“精確”，不可數(shù)名詞，故填 accuracy。 6． 考查定語從句。句意：它也能提供短信通訊。這樣就可以為通訊信號差的地方提供緊急通訊。根據(jù) 句意及句子結(jié)構(gòu)可知，此處引導定語從句，先行詞是 areas，在從句中作地點狀語，故填 where。 7． 考查非謂語動詞。句意：為了改善定位服務(wù)的質(zhì)量，蘋果手機、三星手機準備使用北斗導航衛(wèi)星系 統(tǒng)的信號。

19、in an effort to do sth.意為“努力做某事，為了做某事”，故填 to improve。 8． 考查時態(tài)和主謂一致。句意：每個中國的品牌也是如此。陳述的是客觀事實，用一般現(xiàn)在時，此處 使用的是倒裝句式“so+be+主語”，表示：……也是，主語 every Chinese brand 是單數(shù)名詞，故填 is。. 9． 考查副詞。句意：建設(shè)完北斗導航衛(wèi)星系統(tǒng)對中國來說，是技術(shù)上的巨大成就，它在不遠的將來可 以容易地實現(xiàn)。修飾謂語動詞用副詞，故填 easily。 ， 10． 考查介詞。句意：建設(shè)完北斗導航衛(wèi)星系統(tǒng)對中國來說，是技術(shù)上的巨大成

20、就，它在不遠的將來可 以容易地實現(xiàn)。pay off 是一個固定短語，意為：付清，取得成功。故填 off。 11．D 12．B 13．A 優(yōu)點英語 14．A 【分析】 本文是說明文。文章介紹了北斗導航衛(wèi)星系統(tǒng)在我們生活中的應(yīng)用。 11． 細節(jié)理解題。文章第二段中提到“the global network of 59 satellites has been completed. On July 31, Beidou started providing services covering our whole planet. ”北斗系

21、統(tǒng)的全球 59 顆衛(wèi)星網(wǎng)絡(luò)已經(jīng)完成， 北斗系統(tǒng)開始提供覆蓋全球的服務(wù)。由此可知，北斗系統(tǒng)能夠提供全球范圍的導航服務(wù)。故選D。 12． 推理判斷題。文章第三段中提到“It’s difficult to imagine the great influence those satellites have on our daily lives.（很難想象這些衛(wèi)星對我們?nèi)粘Ｉ畹木薮笥绊懀保幌挛呐e出 Hellobike 的例子，“When you unlock one of Hellobike’s bicycles, you are u sing the BDS. （當你

22、解鎖一輛 Hellobike 自行車時，你 就使用了北斗系統(tǒng)）”和“Users can also find shared bikes more accurately(精確地) thanks to Beidou’s global positioning accuracy of 2.34 meters.（由于北斗全球衛(wèi)星定位精度可達到 2.34 米，用戶還可以更 準確地找到共享自行車）”。由此可知，作者是以 Hellobike 為例說明北斗系統(tǒng)對人們?nèi)粘Ｉ畹挠?響，以及如何讓人們的日常生活更輕松。故選 B。 13． 細節(jié)理解題。根據(jù)第四段中“Beidou adopt

23、s a unique two-way communication system, including its ability to receive messages sent by people from areas with poor communication signals.（北斗系統(tǒng)采用獨特的雙 向通信系統(tǒng)，能夠接收來自通信信號較差地區(qū)的人們發(fā)送的信息）”和“it plays a role when disasters occur and communications are blocked. （當災(zāi)難發(fā)生、通訊中斷時，它就會發(fā)揮作用）”可知，北斗 雙向通信系統(tǒng)是為了在通訊信號不好或者信號中斷時幫助人們。故選 A。 14． 詞句猜測題。最后一段中前首席設(shè)計師孫家棟說 “The application of Beidou is only limited by imagination.（北斗的應(yīng)用只受到想象力的限制）”，意即北斗系統(tǒng)還有更多的其他的應(yīng)用，是人們還 沒有想象到的。北斗系統(tǒng)對我們的幫助可能比我們能想到的更多。故選 A。