高考英语一轮复习选修部分选修7Unit19Language学案北师大版

这是一份高考英语一轮复习选修部分选修7Unit19Language学案北师大版，共20页。学案主要包含了典型例句，词块必记，语境速测，知识拓展，写作金句，句型公式，备选要点，熟词生义等内容，欢迎下载使用。


Ⅰ. 细品味经典文章
My favrite English teacher culd draw humr ut f the driest material. It wasn’t frced n us either. He tk Samuel Jhnsn’s dictinary, Addisn’s essays, and many ther literary wnders frm the eighteenth century and made them funny, even at eight ’clck in the mrning. The thing that amazed me mst was that the first time I read these wrks n my wn sme f them seemed dead, but the secnd time, after his explanatin, I culdn’t believe that I hadn’t seen the humr. The stries and pems and plays were suddenly filled with allusins(典故) and irny(讽刺) and hilarius mments. I learned mre frm him than frm any ther teacher.
My least favrite English teacher als made peple laugh. Sme students fund him t be wnderfully funny. Many thers did nt. He assigned jurnals ver a six-week perid, t be written every day. At the end f the six weeks I had a ntebk full f bits and pieces abut my ideas, shrt stries, reactins t what we had read, and s n. Our teacher annunced that we wuld be grading each ther’s jurnals. Mine was passed t Je, that class clwn, wh always behaved in a funny r silly way. He saw it, made a jke and said, “This writing isn’t fit t line the bttm f a birdcage. ” Our teacher laughed at that funny remark. It hurt me s much that the anger frm it has driven my writing and teaching ever since.
S what makes the difference? Humr is ne f the mst pwerful tls teachers r writers have. It can build up students and classes and make them excited abut literature and writing, r it can tear them apart. It is true that humr is either prductive r cunter-prductive and self-defeating.
Ⅱ. 按要求完成任务
1. 写出文章中表示和语言学习有关的单词。
dictinary, literary, essays, literature, writing, prductive, read
2. 写出文章中的优美句式。
It is true that humr is either prductive r cunter-prductive and self-defeating.
Ⅰ. 重点词汇
1. surrund vt. 环绕, 围绕; 包围
【典型例句】
Surrunded by fields, muntains and rivers, the Old Twn f Lijiang lks like a jade ink stne in spring and summer.
在春夏之际, 被田野, 群山和河流所围绕着的丽江古城看起来就像一块墨绿色的宝石。
【词块必记】
(1)surrund sb. /sth. (with sb. /sth. ) (使某人/某物)包围某人/某物
be surrunded by/with sb. /sth. 被某人(物)所包围
(2)surrundingadj. 周围的, 附近的
surrundingsn.周围的事物; 环境, 气氛
【语境速测】 单句语法填空
①I walk in the dr and see a brwn sfa surrunding(surrund) a lw glass-tp wden table.
②He lves t be surrunded with his family and friends.
③Only in this way can we live in mre cmfrtable and beautiful surrundings (surrund).
句式升级
④Because it is surrunded by fld plains, there is nwhere else fr it t expand.
→Surrunded by fld plains, there is nwhere else fr it t expand. (过去分词作状语)
2. infrm vt. 告知, 通知; 了解
【典型例句】
The Internet can keep us infrmed f the latest news in time. 因特网可以使我们及时获知最新的信息。
【词块必记】
(1)infrm sb. /neself f sth. 通知某人某事
infrm sb. that. . . 告知某人……
(2)infrmed adj. 了解情况的; 消息灵通的
keep sb. infrmed f sth. 使某人了解某事
【知识拓展】和infrm sb. f sth. 结构相同的短语还有:
remind sb. f sth. 提醒某人某事
rb sb. f sth. 抢劫某人某物
accuse sb. f sth. 控告某人某事
suspect sb. f sth. 怀疑某人某事
warn sb. f sth. 警告某人某事
【语境速测】 单句语法填空
①The sales manager asked his men t infrm him f everything cncerning the sales in time.
②Can yu give me any infrmatin(infrm) n this matter?
一句多译
③他告诉我他平安抵达。
He infrmed me that he arrived safely.
He infrmed me f his safe arrival.
【写作金句】
I am writing t infrm yu f smething abut my schl life.
我写信是想告诉你一些关于我的学校生活的情况。
3. adjust vi. &vt. 调整, 调节; 使适合, 使适应
【典型例句】
It has been hard t adjust but nw I’m getting satisfactin frm my wrk.
适应虽然艰难, 但是现在我已逐渐从工作中获得了满足。
【词块必记】
(1)adjust t sth. /ding sth. 适应(做)某事
adjust neself t. . . 使自己适应于……
(2)adjustment n.调整, 调节; 适应
make adjustments t. . . 对……进行调整
【语境速测】 单句语法填空
①She must learn t adjust herself(she) t verseas life.
②We made a few minr adjustments(adjustment) t the plan.
句式升级
③Tm adjusted himself t the new life and he became ne f the best students in his class.
→Adjusting himself t the new life, Tm became ne f the best students in his class. (现在分词作状语)
4. guarantee vt. 保证; 担保 n. 保证; 保证书; 抵押品
【典型例句】
①This insurance guarantees yu against lss in case f fire. 这份保险能弥补你因失火而造成的损失。
②We guarantee t reply within 10 wrking days.
我们保证在10个工作日内(给你)回复。
【词块必记】
(1)guarantee sb. sth. (=ensure sb. sth. )
保证某人得到某物
guarantee t d sth. 保证做某事
guarantee that. . . 确保……
guarantee sth. fr sme time对……保修多久
(2)give sb. a guarantee that. . . 向某人保证……
under guarantee在保修期内
【语境速测】 单句语法填空
①I guarantee t be(be) here tmrrw. Trust me!
②I guarantee that yu’ll enjy yurself.
完成句子
③He gave me a guarantee that it wuld never happen again.
他向我保证这种事情绝不会再发生。
④The watch is still under guarantee.
这只手表仍在保修期内。
【写作金句】
We shuld pay attentin t small details, which can guarantee t succeed in the end.
我们应该注意小细节, 这能让我们最终成功。
Ⅱ. 核心短语
5. catch n学会, 理解; 抓牢; 受欢迎, 流行起来
【典型例句】
It tk me a lng time t catch n t the directins.
我花了很长的时间才弄明白说明书。
【词块必记】
(1)catch n t. . . 理解……
catch n fire着火
(2)catch sb. ding sth. 发现某人在做某事
catch sight f看见
catch up with=keep up with赶上, 跟上
be caught in陷入; 被卷入; 遇上
【语境速测】
写出下列句中catch n的含义
①I dn’t quite catch n t what she is saying. 理解
②He invented a new game, but it never really caught n. 流行起来
③The peasant-singer has caught n with lts f peple all ver China. 受欢迎
【写作金句】
Due t prgrams such as Chinese Petry Cmpetitin, Chinese traditinal culture is catching n again. 由于《中国诗词大会》等节目的播出, 中国传统文化又重新流行起来。
6. n the ther hand另一方面……
【典型例句】
On the ne hand, we must study hard. On the ther hand, we students shuld take an active part in scial activities.
一方面, 我们要努力学习, 另一方面, 我们学生要积极参加一些社会活动。
【词块必记】
n the ther hand意为“另一方面”, 常与n the ne hand配合使用。
fr ne thing. . . fr anther(thing). . .
一则……再则……
ne. . . the ther. . . 一个……另一个……
sme. . . thers. . . 一些……另一些……
【语境速测】 完成句子
①On the ne hand I want t sell the huse, but n the ther hand I can’t bear the thught f mving.
一方面我想卖掉房子, 另一方面我不想搬家。
②I didn’t buy that car. Fr ne thing, I didn’t like its clr, fr anther thing, I didn’t have enugh mney.
我没买那辆车, 一是我不喜欢它的颜色, 二是我没那么多钱。
③Sme peple mved in silky, liquid mvements, thers were jerky, prbably drunk.
一些人动作平稳流畅, 其他人则跌跌撞撞, 大概是喝醉了。
Ⅲ. 经典句式
7. Thirdly, yu say that there is a discunt prvided that I pay in advance. 第三, 你们说我只要预付款就有折扣。
【典型例句】
Yu will succeed prvided that yu wrk hard.
只要你努力学习, 你一定会成功。
【句型公式】
此句中的prvided that为连词, 引导条件状语从句, 相当于n cnditin that/s lng as。prvided也可以换成prviding。
在英语中类似的连词还有: suppse that/suppsing that/given that/assuming that等。
【语境速测】 单句语法填空
①Suppsing/Suppse(suppse) that there is n pure water; what shall we drink?
②Given(give) that they’re inexperienced, they’ve dne a gd jb.
句式升级
③Yur ral English is t be imprtant if yu practice mre.
→Yur ral English is t be imprtant prvided/prviding that yu practice mre. (prvided/prviding)
【备选要点】
1. absence n. 缺席, 缺乏, 离开
【典型例句】
Her absence f mind during driving nearly caused an accident. 她驾车时心不在焉, 几乎肇祸。
【词块必记】
(1)absence frm. . . 缺席, 离开
absence f mind心不在焉
in the absence f sth. 由于缺少某物, 在缺少某物的情况下
in the absence f sb. =in ne’s absence某人不在时
(2)absent adj. 缺席的; 不在的; 心不在焉的, 走神的(反义词: present adj. 出席的)
be absent frm不在, 缺席
【熟词生义】
Why did yu absent yurself frm schl yesterday?
你昨天为何缺席未到校? (使缺席, 不参加, 不在场)
【语境速测】 单句语法填空
①We were wrried by the absence(absent) f definite figures in the reprt.
②In the absence f any further evidence the plice were unable t slve the murder.
③Hw many students are absent frm class tday?
④I have typed ut sme lecture ntes fr the benefit f thse peple wh were absent(absence) last week.
【写作金句】
Absence makes the heart grw fnder. 久别情更浓。
2. cngratulate vt. 祝贺; 庆贺; 恭喜
【典型例句】
Let’s g and cngratulate him n his prmtin.
咱们去祝贺他的升迁。
【词块必记】
(1)cngratulate sb. n sth. /ding sth. 祝贺某人(做)某事
cngratulate neself n (ding)sth. 庆幸自己(做)某事
(2)cngratulatin n. 祝贺, 恭贺(常用复数形式)
cngratulatins (t sb.) n sth. 祝贺(某人)某事
【语境速测】 单句语法填空
①He cngratulated himself(him) n having survived the air crash.
②We cngratulated him n having passed (pass) the examinatin.
③I send yu my warmest cngratulatins (cngratulatin) n yur success.
【写作金句】
Cngratulatins n yur making great prgress in learning Chinese. 恭喜你在学习中文上取得这么大的进步。
3. resemble vt. 像; 与……相似
【典型例句】
His appearance resembles his brther, but they have different characters.
他的外表很像他哥哥, 但性格却截然不同。
【词块必记】
(1)resemble sb. /sth. in. . . 与某人/某物在……方面相似
(2)resemblance n. 相似
resemblance between A and B A与B之间的相似之处
bear a resemblance t(=be similar t)与……相似
【语境速测】 单句语法填空
①She resembles her teacher in the way speaking and writing English.
②There is a strng resemblance(resemble) between the tw brthers.
句式升级
③The accident was similar t the ne that happened in 1973.
→The accident resembled the ne that happened in 1973.
4. embarrass vt. 使窘迫; 使为难
【典型例句】
I was embarrassed t brrw sme mney frm her.
向她借钱我感到很难为情。
【词块必记】
(1)It embarrasses/embarrassed sb. t d sth.
做某事使某人窘迫
(2)be embarrassed at/abut对……感到为难/尴尬
(3)t ne’s embarrassment让某人感到尴尬的是
(4)embarrassingadj.令人尴尬的
【语境速测】 单句语法填空
①He was acutely embarrassed(embarrass) abut/at being the center f attentin.
②That was an embarrassing(embarrass) situatin fr me.
完成句子
③Much t her embarrassment she realized that everybdy had been listening t her singing.
她意识到大家一直在听她唱歌, 感到很不好意思。
5. keep t遵守, 遵循, 按……行事; 坚持(做某事)
【典型例句】
Let’s keep t the subject, r yu’ll get me t cnfused.
别跑题, 否则你会把我搞糊涂的。
【词块必记】
keep away 避开; 不靠近
keep back保留; 阻止
keep n继续
keep fit保持健康
keep ff避开; 防止; 挡住
keep up保持; 继续; 维持
keep up with跟上; 不落在后面
【语境速测】
写出下列句中keep t的含义
①He always keeps t his prmise. 遵守
②Once having made a plan, yu shuld keep t it. 按……行事
③Keep t it! Yu must nt stp till the jb is finished. 坚持
完成句子
④Mve yur legs faster and keep up with the teacher.
走快一些, 跟上老师。
Ⅰ. 单句语法填空
1. (2019·天津高考)The things we learn in maturity seldm invlve infrmatin (infrm) and skills.
2. (2019·北京高考)When these rganisms die, they bury carbn in the deep cean, an imprtant prcess that helps t regulate the glbal(glbe) climate.
3. (2018·江苏高考)Accrding t the Dallas Area Cultural Advcacy Calitin, arts agencies emply mre than 10, 000 peple as full-r part-time emplyees r independent(dependent)cntractrs.
4. (2020•浙江高考)During yur absence(absent), ur class participated in an English ral cmpetitin, in which we came first.
5. (2020·新高考全国Ⅰ卷)Histrical accuracy (accurate)is imprtant but s is entertainment.
Ⅱ. 语法填空(黑体词为本单元重点词汇)
As a new language learner, David wrked very hard t attain the gal he had set. On the ne hand, he did what he culd t adjust 1. himself (him)t the new surrundings. On the ther hand, he tried t keep himself 2. infrmed(infrm) f the latest news. 3. T ensure(ensure) adequate chances t speak English, he registered fr an nline ral curse, because he was aware that it was hard fr him t speak English well in the absence f native speakers. 4. What surprised us all was that he nt nly attended the nline curses 5. punctually(punctual), he als read a lt f bks adapted fr beginners. In this way, he 6. enlarged(large) his vcabulary as well. Eventually, his effrt 7. paid(pay) ff and all his friends cngratulated him n the prgress he had made.
Ⅲ. 短文改错
During my last winter hliday, I went t cuntryside with my father t visit my grandparents. I find a big change there. The first time I went there, they were living in a small huse with dgs, ducks, and anther animals. Last winter when I went here again, they had a big separate huse t raise dzens f chicken. They als had a small pnd which they raised fish. My grandpa said last summer they earned quite a lt by sell the fish. I felt happily that their life had imprved. At the end f ur trip, I tld my father that I planned t return fr every tw years, but he agreed.
【文章大意】本文是一篇记叙文。讲述了作者在去年寒假期间和父亲去乡下拜访爷爷奶奶过程中的所见所闻, 由此讲述了乡下的巨大变化。
1. 【解析】第一句中的cuntryside前加定冠词the。the cuntryside是固定用法, 意为“乡下, 农村”。
2. 【解析】第二句find→fund。根据前句可知, 此文叙述的是去年寒假中的事情, 故使用一般过去时。
3. 【解析】第三句anther→ther。ther用在名词前作定语, 意为“其他的”。
4. 【解析】第四句here→there。根据文章的叙述角度可知, 应该表示的是去乡下, 故用副词there。
5. 【解析】第四句chicken→chickens。根据句意可知, 此处应该使用可数名词chicken的复数形式。
6. 【解析】第五句中在which前加介词in或将which改为where。根据句子结构可知, they raised fish是定语从句, 其先行词是pnd, 在定语从句中应该作介词in的宾语, 或者用关系副词where作状语。
7. 【解析】第六句sell→selling。动词sell在介词by后作宾语, 故使用其-ing形式。
8. 【解析】第七句happily→happy。动词felt在此处是系动词, 意为“觉得, 感觉”, 其后应该使用形容词happy作表语。
9. 【解析】第八句fr去掉。此处的every tw years是名词性短语, 意为“每两年”, 在句中作状语。
10. 【解析】第八句but→and。根据句意可知, 此处表示并列关系, 用并列连词and。
Ⅰ. 话题与阅读理解
(2018·全国卷Ⅰ阅读理解C)
Languages have been cming and ging fr thusands f years, but in recent times there has been less cming and a lt mre ging. When the wrld was still ppulated by hunter-gatherers, small, tightly knit(联系) grups develped their wn patterns f speech independent f each ther. Sme language experts believe that 10, 000 years ag, when the wrld had just five t ten millin peple, they spke perhaps 12, 000 languages between them.
Sn afterwards, many f thse peple started settling dwn t becme farmers, and their languages t became mre settled and fewer in number. In recent centuries, trade, industrialisatin, the develpment f the natin-state and the spread f universal cmpulsry educatin, especially glbalisatin and better cmmunicatins in the past few decades, all have caused many languages t disappear, and dminant languages such as English, Spanish and Chinese are increasingly taking ver.
At present, the wrld has abut 6, 800 languages. The distributin f these languages is hugely uneven. The general rule is that mild znes have relatively few languages, ften spken by many peple, while ht, wet znes have lts, ften spken by small numbers. Eurpe has nly arund 200 languages; the Americas abut 1, 000; Africa 2, 400; and Asia and the Pacific perhaps 3, 200, f which Papua New Guinea alne accunts fr well ver 800. The median number(中位数) f speakers is a mere 6, 000, which means that half the wrld’s languages are spken by fewer peple than that.
Already well ver 400 f the ttal f 6, 800 languages are clse t extinctin(消亡), with nly a few elderly speakers left. Pick, at randm, Busuu in Camern (eight remaining speakers), Chiapanec in Mexic (150), Lipan Apache in the United States (tw r three) r Wadjigu in Australia (ne, with a questin-mark): nne f these seems t have much chance f survival.
【文章大意】本文是一篇说明文, 介绍了许多语言所面临的窘境——随着人类社会的发展, 很多语言逐渐消失。
1. What can we infer abut languages in hunter-gatherer times?
A. They develped very fast.
B. They were large in number.
C. They had similar patterns.
D. They were clsely cnnected.
【解析】选B。推理判断题。根据第一段中的When the wrld was still ppulated by hunter-gatherers . . . they spke perhaps 12, 000 languages between them. 可知, 在狩猎时代虽然人口很少, 但语言种类很多。
2. Which f the fllwing best explains “dminant” underlined in Paragraph 2?
A. Cmplex. B. Advanced.
C. Pwerful. D. Mdern.
【解析】选C。词义猜测题。根据第二段最后一句中的increasingly taking ver, 意为“越来越占据统治地位”, 可知dminant意为“占优势的; 占支配地位的”, 与C项同义。
3. Hw many languages are spken by less than 6, 000 peple at present?
A. Abut 6, 800. B. Abut 3, 400.
C. Abut 2, 400. D. Abut 1, 200.
【解析】选B。细节理解题。根据第三段最后一句The median number f speakers is a mere 6, 000, which means that half the wrld’s languages are spken by fewer peple than that. 以及第四段第一句中的the ttal f 6, 800 languages可知答案为B。
4. What is the main idea f the text?
A. New languages will be created.
B. Peple’s lifestyles are reflected in languages.
C. Human develpment results in fewer languages.
D. Gegraphy determines language evlutin.
【解析】选C。主旨大意题。通读全文可知, 文章主要讲述随着人类社会的发展, 语言的种类越来越少, 故C项为正确答案。
【微技能点拨】事实细节题→寻读法
分为直接理解题和间接理解题, 前者常用wh, what, which, when, where, why和hw提问, 或判断正误; 后者需与原文信息转换, 表达上与原文有差异。常见命题形式有:
①What can we learn frm the passage?
②All the fllwing are mentined except ______.
③Which f the fllwing is mentined (nt mentined)?
④Which f the fllwing statements is true/right/false/wrng abut. . . ?
本文第3题为细节理解题, 根据策略解题如下:
Step 1 确定题干中的关键词6, 000 peple
Step 2 寻读原文找到匹配的关键词: The median number f speakers is a mere
6, 000, which means that half the wrld’s languages are spken by fewer peple than that.
Step 3 结合第四段第一句可以得出答案B。
【语用提能】
【语法填空】
Languages have been cming and ging fr thusands f years, but in recent times there has been less cming and a lt mre ging. Sme language
1. __________(expert) believe that 10, 000 years ag, when the wrld had just five t ten millin peple, they spke perhaps 12, 000 languages.
Sn afterwards, many f thse peple started settling dwn t becme farmers, and their languages t became mre 2. __________(settle) and fewer in number. In recent centuries, trade, industrialisatin, especially glbalisatin 3. __________(cause) many languages t disappear, and 4. (lead) languages such as English, Spanish and Chinese are increasingly taking ver.
At present, the distributin f these languages is 5. (huge) uneven. The general rule is that mild znes have relatively few languages, ften spken by many peple, 6. __________ ht, wet znes have lts, ften spken by small numbers. Eurpe has nly arund 200 languages; the Americas abut 1, 000; Africa 2, 400; and Asia and the Pacific perhaps 3, 200, f 7. __________ Papua New Guinea alne accunts fr well ver 800. The median number (中位数) f speakers is a mere 6, 000, which means that half the wrld’s languages are spken by 8. __________(few) peple than that.
Over 400 languages are clse t extinctin, 9. nly a few elderly speakers left. Nne f these seems t have much chance f 10. __________(survive).
1. 【解析】experts。由前面的Sme可知, 此处要用复数形式。
2. 【解析】settled。此处的settled相当于形容词, 意为“安定下来的”。
3. 【解析】have caused。由前面的时间状语In recent centuries可知, 此处要用现在完成时。
4. 【解析】leading。leading adj. 主要的。
5. 【解析】hugely。副词hugely修饰其后的形容词uneven。
6. 【解析】while。while并列连词, 意为“而”, 表示对比。
7. 【解析】which。which引导定语从句, 指代前面的先行词, 前面有介词f, 只能用which。
8. 【解析】fewer。由后面的than可知, 此处表示比较, 故用形容词的比较级。
9. 【解析】with。由句意和后面的left可知, 此处是with的复合结构。
10. 【解析】survival。介词f后要用survive的名词。
Ⅱ. 话题与写作
假设你叫李华, 现在是某中学的一名高二学生。你的美国笔友Tm来信谈及汉语学习的困难并请你提出一些汉语学习的建议。请你根据以下提示, 给Tm写一封回信。
提示: 1. 学习汉语一定要有兴趣, 不怕困难;
2. 不要怕犯错误, 多听, 多读, 多练;
3. 创造和利用学习汉语的机会, 如: 结交中国朋友等;
4. 其他建议……
注意: 1. 可适当增加细节, 以使行文连贯;
2. 词数100左右。
Step 1 写作技巧
这是一封建议信, 时态要使用一般现在时, 应以第一人称写作。
在叙述内容时要得体、流畅、逻辑清晰。在平时训练中, 应注意模仿一些常用表达方式。
I’m writing t tell yu. . . 我现在写信告诉你……
I’m writing t ask abut. . . 我现在写信, 想了解……
I’m lking frward t hearing frm yu sn. 望早日收到你的来信。
①要点信息
a. 发展兴趣 develp ne’s interest in→develp a preference fr. . .
b. 全身心投入 put ne’s heart int. . .
c. 与……交流 cmmunicate with. . .
②句式多变
学习一门新的语言时犯错误很正常, 所以不要担心出错。
It is natural t make mistakes when learning a new language, s dn’t wrry abut mistakes.
③一句多译
多听多读会对汉语学习有很大帮助。
a. Mre listening and reading will be f great help in learning Chinese. (be f)
b. Mre listening and reading will cntribute t learning Chinese. (cntribute t)
c. It is very helpful t yu if yu listen and read mre while learning Chinese. (it is+adj. +t d)
d. Yu shuld listen and read mre in learning Chinese, which will be very helpful t yu. (定语从句)
④句式升级
汉语看起来好像很难, 但是如果全身心投入学习它, 你一定会取得进步。
Chinese may seem difficult, but yu are sure t make prgress if yu put yur heart int learning it.
→Difficult as Chinese may seem, yu are sure t make prgress if yu put yur heart int learning it.
Step 2 妙笔成篇
Dear Tm,
I’m glad t receive yur letter asking fr my advice n hw t learn Chinese well. Firstly, develp yur interest in learning Chinese if yu want t be gd at it. Difficult as Chinese may seem, yu are sure t make prgress if yu put yur heart int learning it. Secndly, it is natural t make mistakes when learning a new language, s dn’t wrry abut mistakes. Mre listening and reading will be f great help in learning Chinese. Only practice can make perfect. Thirdly, yu shuld try t get yurself int a Chinese envirnment and seize every pprtunity t learn and practice yur Chinese. Fr example, try t make friends with Chinese and cmmunicate with them in Chinese; r yu may attend Chinese training classes in yur place. I am firmly cnvinced yur Chinese will imprve sn.
Gd luck t yu!
Yurs,
Li Hua
【加固训练】 阅读填句
There have been a lt f cmments recently surrunding 5G, the next generatin f wireless technlgy. 1. __________? Hw might it change ur lives?
5G stands fr fifth generatin, meaning the next step in the prgressin f technlgy t replace the current 4G system. Earlier“G” systems were designed t imprve mbile cmmunicatin peratins. Each new technlgy brught majr imprvements in speed and greatly increased netwrk capacity (容量). 2. __________. It is expected t permit mre users t d mre things at a faster rate.
Hwever, technlgy experts say there is a majr way that 5G is different frm the earlier systems. 3. __________. It will affect many mre devices and industries than ther “G” versins.
5G will help fuel future“smart cities” by cnnecting sensr netwrks. 5G is als expected t cnnect self-driving cars and supprt new technlgies invlving virtual reality (虚拟现实). Higher 5G speeds culd als permit dctrs t cmmnly perfrm remte medical peratins. Factries and businesses culd use 5G technlgy t increase autmatin and imprve the cllectin f infrmatin.
4. __________. The increased data flw acrss 5G netwrks wuld give Internet attackers a lt mre pssibilities t steal and misuse data. In additin, the wider use f a 5G wireless netwrk means any breakdwn f the system wuld have mre widespread and severe results. Such difficulties culd affect public safety. 5. __________, r a netwrk breakdwn culd cause self-driving vehicles t crash.
A. Why is 5G s ppular
B. What is this technlgy
C. Every cin has tw sides
D. The new 5G system prmises mre f the same
E. It will mve beynd mbile netwrk technlgy
F. A breakdwn f 5G netwrks may cause ecnmic lsses
G. A failure during a dctr’s remte peratin culd lead t death
【文章大意】本文属于说明文, 介绍5G技术及其优点, 同时也存在安全风险。
1. 【解析】选B。分析文章结构可知, 本文属于总分结构, 文章主要就第一段的两个问题展开来写, 根据第二段5G stands fr fifth generatin, meaning the next step in the prgressin f technlgy t replace the current 4G system. 可知, 第一个问题是关于5G概念, 故选B。
2. 【解析】选D。根据前一句Each new technlgy brught majr imprvements in speed and greatly increased netwrk capacity. 可知, 每一项新的通信技术都会速度提升, 容量扩大, 讲述新技术的作用, D选项, 而5G会带来更多的东西, 本句中的f the same与前一句呼应, 切题, 故选D。
3. 【解析】选E。根据后一句It will affect many mre devices and industries than ther “G” versins. 可知, 与其他的四代通信产业相比, 5G会影响更多的设备和产业, E选项, 它的影响超过手机网络技术, 后一句进一步说明该句, 切题, 故选E。
4. 【解析】选C。根据后文The increased data flw acrss 5G netwrks wuld give Internet attackers a lt mre pssibilities t steal and misuse data. 可知, 本段主要讲述5G技术可能存在的风险, 故选C。
5. 【解析】选G。根据后一句r a netwrk breakdwn culd cause self-driving vehicles t crash. 可知, 网络故障可能会导致自动驾驶汽车出车祸, 讲述5G技术对公共安全可能造成的负面作用, G选项, 远程手术的失败可能造成病人死亡, 本句是对前一句的具体阐述, 切题, 故选G。话题词汇
ppulate, speech, expert, industrialisatin, glbalisatin, survival
短语
settle dwn; accunt fr; at randm
熟词生义
uneven adj. 不平整的; 参差不齐的; 不平等的; 不平坦的; 不连续的