2022版高中北师大版英语一轮复习学案：选修7 Unit20New Frontiers

Unit20NewFrontiers

主题：人与社会子话题：科学与技术对应教材：必修2Unil1Cyberspace»nil9Wheels；选修7Uni；20

NewFronti<rs

、\\Stepl诵读枝典•渗透文化意谓山

I.细品味经典文章

InChina,cashgiftsaretraditionallygiveninrealredenvelopes

duringweddingsandtheChineseNewYear.TheWeChatredenvelope

waslaunchedduringtheChineseNewYearwithastipulationthatthe

amountshouldbelessthan200yuan.FiguresfromTencentHoldingsLtd.

showthatduringthatfestivalperiod,about8millionuserssnappedup

40millionredenvelopes.

Forexample,ifapersoninaWeChatgroupof10sends100yuanas

agiftandsaysanyonecanhaveamaximumof20yuan,thefirstfiveto

"grab"getthemoneywhiletheotherfourmissout.

Redenvelopesaddasenseofatmosphereandstrengtheninteraction.

Theamounteverybodygetscouldbedifferent,soitisfunnytoseethe

comparisons.

TheWeChatredenvelopeisaninnovativewayforpeopletosend

greetings.ItalsogetspeopleintothehabitofusingWeChatpayment,

becauseyouneedtolinkittoyourbankaccount.

ForInternetcompanies,functionssuchasWeChatpaymentarean

importantpartofthewholeInternetecosystem,asmanyother

functionssuchashailingtaxisorshoppingarebasedononlinepayment.

n.按要求完成任务

1.写出文章中表示〃支付〃的单词和短语。

cash,redenvelopes,bankaccount,payment.

2.写出文章中的优美句式。

InChina,cashgiftsaretraditionallyRiveninrealredenvelopesduring

weddingsandtheChineseNewYear.

zStep2固本根基•敏造语言能力///=

I.重点词汇

1.permitvt.允许，准许n.许可，准许；许可证

•【典型例句】

Wedonotpermitsmokinginthecinema.

我们不准在电影院里抽烟。

•【词块必记】

(l)permitdoingsth.允许做某事

permitsb.todosth.允许某人做某事

timepermitting如果时间允许

(2)permissionn.许可，允许

get/obtain/askone/spermission征得某人的同意/许可

askforpermission请求允许

givepermission给予许可

withoutpermission未经许可

•【语境速测】单句语法填空

①I'llcomeafterthemeetingiftimepermits(permit).

②Nobodycancomeinwithoutpermission(permit).

③Studentslivinginbuildingsthathavekitchensareonlypermittedto

cook(cook)inthekitchen.

④Theydon/tpermitparking(park)here.

句式升级

(5)Iftimepermits,wewillgoboatingtomorrow.

玲Timepermitting,wewillgoboatingtomorrow.

.【写作金句】

Childrenarenotpermittedtoenterthecinemawithouttheirparents.没

有家长带领，孩子不准进入电影院。

2.rescuevt.&n.拯救；救援

•【典型例句】

Hisfathercametohisrescueandlenthimthemoney.

他父亲救了他还借钱给他。

.【词块必记】

rescuesb./sth.from...从...拯救某人/某物

rescueworkers救援人员

cometoone'srescue来救援某人

gotoone'srescue去救援某人

makearescue实施救援

•【语境速测】

单句语法填空

①Whatwemustdoistorescuethemfromdangeratonce.

一句多译

我们来救他，把他从河里拉出来。

②Werescuedhimandpulledhimoutoftheriver,(rescuev.)

二Wecametohisrescueandpulledhimoutoftheriver.

(rescuen.)

3.donatevt.捐赠；赠送

.【典型例句】

Morethan100menhurriedtothescenetodonatetheirblood.

有100多人赶到现场献血。

•【词块必记】

(l)donatesth.tosb.向某人捐献某物

donatesth.todosth.为了做某事而捐赠某物

(2)donationn.捐赠；捐赠物；捐款

give/makeadonationto...向……捐赠

makeadonationtocharity向慈善事业捐赠

(3)donorn.捐赠者，赠送者

•【语境速测】单句语法填空

①Ibelievedthesedonated(donate)bookswillhelpyouenhanceyour

Chinese.

②TheyusedtodonatelargesumsofmoneytotheRedCrosseveryyear.

一句多译

③他以他母亲的名义给希望工程捐款。

HedonatedmoneytotheHopeProjectinthenameofhismother.

(donatev.)

=HemakeadonationtotheHopeProjectinthenameofhismother,

(donationn.)

4.assistvt.&vi.帮助，协助

.【典型例句】

AgooddictionarycanassistyoutoimproveyourEnglish.

好词典能帮助你提高英语成绩。

•【词块必记】

(l)assistsb.withsth.在某方面给予某人帮助

assistsb.todosth.帮助某人做某事

assistsb.in(doing)sth.帮助某人（做）某事

(2)assistancen.帮助，协助

cometoone'sassistance援助某人

withtheassistanceof在……的帮助下

(3)assistantn.助手，助理

•【语境速测】单句语法填空

①Thepolicewillassistyouinfindingheraddress.

②Hewillassistyouwithyourproject.

③Employeesarebeingofferedassistance(assist)infindingnewjobs.

完成句子

(4)Juliawasassistinghimtopreparehisspeech.

朱莉娅正在帮他准备演讲稿。

句式升级

⑤CanIbeofanyhelp?

-CanIbeofanvassistance?

5.curevt.治愈，治疗；解决治愈，痊愈；措施

.【典型例句】

Parentstrytocuretheirchildrenofbadhabits.

父母努力改掉孩子们的坏习惯。

•【词块必记】

curesb.of...治愈某人的...病；改掉某人的...恶习

acurefor对...的治疗方法；解决....的措施

•【语境速测】单句语法填空

①Jack'smotherwantedtocurehimofhisbadhabitofsmoking.

②Medicalresearchmayfindacureforcancer.

.【写作金句】

Anounceofpreventionisworthapoundofcure.

预防为主，治疗为辅。

n.核心短语

6.inadvance预先；提前(aheadoftime)

•【典型例句】

Itisagoodideatoplaceyourorderwellinadvance.

提前下单是个好主意。

•【词块必记】

(l)inadvanceof在……之前，超过

ontheadvance(物价)在上涨

(2)advanceon/towards/upon.朝……前进

advancedadj.先进的；高等的；晚期的

advancingadj.发展前进中的

•【语境速测】单句语法填空

①Headvancedonmeinathreateningmanner.

②Theyhavetohaveabasicunderstandingofcomputersinordertouse

theadvanced(advance)technology.

完成句子

③Galileo'sideaswerewellinadvanceoftheageinwhichhelived.

(advancen.)

伽利略的思想远远超越了他生活的时代。

m.经典句式

7.Thereisnodoubtaboutit.关于这一点毫无疑问。

•【典型例句】

Idoubtwhetherhelikesthisbook.

我怀疑他是否喜欢这本书。

.【句型公式】

Thereisnodoubtabout...毫无疑I诃...

Thereisnodoubtthat...毫无疑问...

Thereissomedoubtwhether...是否...还有疑问。

【名师点津Idoubt在肯定句中后面跟whether或if引导的宾语从句，如

果doubt是名词，后面只能跟whether引导的同位语从句；在疑问句或

否定句中跟that引导的从句。

•【语境速测】单句语法填空

①ThereisnodoubtaboutChinesegovernment'sabilitytodealwith

someemergencies.

②ThereisnodoubtthatkeepinganEnglishdiaryhelpsyoualotwith

writtenEnglish.

©Thereissomedoubtwhetherhecanwinthefirstprize.

完成句子

⑷Thereisnodoubtthatwedidtherightthing.

毫无疑问我们做得对。

8.Withoutthebreakthroughsofthesepioneersinscienceand

technology,whetherluckyorplanned,theworldasweknowittoday

wouldhavebeeracompletelydifferentplace.无论是靠碰运气还是刻

意努力的结果，如果没有这些先驱者在科技上的突破，我们今天所了

解的世界将会是一个完全不同的地方。

•【典型例句】

Thelittleboywouldhavefallenintotheriver,butamancaughthim.

要不是那位男士抓住他，那个小孩就掉进河里了。

.【句型公式】

without在本句中表示一个假设的条件，后面的主句中用“would+have

done”表示对过去的虚拟。

含蓄虚拟语气：假设的情况不用条件从句表达，而是暗含在上下文中,

由otherwise,but,or,without,butfor等来表达。与现在事实相

反时，主句的谓语动词用"would/could/should+动词原形〃构成。

.【语境速测】完成句子

①Butforyourkindhelp,Iwouldnothavesucceededinpassingthe

drivingtest.

要不是你的帮助，我就不会通过驾照考试了。

②Wehumanbeingscouldnotsurvivewithoutalltheplantsandanimals

aroundus.

我们周围要是没有动植物，人类就无法生存。

•【文化金句】

Butforyourhelp,wecouldn'thavesucceeded.

要不是你的帮助，我们是不会成功的。

【备选要点】

1.conflictn.战斗；冲突；争论；抵触vi.冲突；争执；抵触

•【典型例句】

Herhusbandoftencomesintoconflictwithher,whichmakesherangry.

她丈夫经常与她吵架，这使她很恼火。

•【词块必记】

Aconflictswith

（1）.A和B相冲突

AandBconflictJ

⑵comeintoconflictwith与...冲突/争执

beinconflictwith与...冲突/争执

•【语境速测】单句语法填空

①AlltheseactionsbytheUSAconflictedwiththeuniversallyaccepted

internationallaws.

（2）Shefoundherselfinconflictwithherparentsoverherfuturecareer.

完成句子

（3）Itisreportedthatsomeworkersonstrikecameintoconflictwiththe

police.

据报道，在罢工中有些工人与警察发生了冲突。

2.correspondvi.相一致；符合；通信

•【典型例句】

Youraccountofeventsdoesnotcorrespondwithhers.

你对事情的陈述与她说的不相符。

.【词块必记】

⑴correspondwithsb.和某人通信

correspondto/withsth.与某物相一致，相当于

(2)hold/keepupcorrespondencewithsb.与某人(保持)通信联系

incorrespondencewith与.....致；与....有通信

联系

•【语境速测】单句语法填空

①Haveyoubeencorrespondingwithhimsinceyougraduatedfromthe

university?

②Hehaskeptupacorrespondence(corresDond)withhisfriendforover

ayearnow.

完成句子

③It'sacoincidencethatyouraccountofeventscorrespondswith

hers.

真巧，你说的情况和她说的一致。

3.assessvt.评估；评价

•【典型例句】

It'sdifficulttoassesstheeffectsofthesechanges.这些变化带来的效果

难以评估。

•【词块必记】

(l)assesssth.at...对……估价为……；把……估算为

assesssth./sb.as把某物/人评定为

(2)assessmentn.评价；评估；评定

makeanassessment(of)（对...）做出评估

•【语境速测】单句语法填空

①Iwonderwhat'sMichael'sassessment（assess）ofthesituation.

②Thevalueofthispropertywasassessedatonemilliondollars.

③Theyoungmenwereassessedaseithersafeorunsafedrivers.

zStep3强化检测•提升学习能力l

i.单句语法填空

1.（2020•全国n卷）Hesaysit'snoteasytoconvincepeoplethatnutria

furisgreen,buthehasnodoubtaboutit.

2.（2020-江苏高考）Thedailynumberofnewlycured（cure）and

discharged（；：H院）patientsexceededthatofthenewlyconfirmedcases.

3.（2019•天津高考）Withsuchmodels,scientistshavefoundoutsome

keyprinciplesoperating（operate）infoodwebs.

4.（2018•天津高考）Meetoutsideofyourresidencehallandwaitfor

furtherinstructipns（instruct）.

5.（2018•北京高考）Themainreasonswegetangryaretriggering（触

发）events,personalitytraits（特征），andourassessment（assess）of

situations.

n.语法填空（黑体词为本单元重点词汇）

DuetothefactthatDavidgaveawaysomesecretsofMary,they

splitup.Nomatter1.whathedid,sheremaineddisconnected.

Davidcouldn'tfeelany2.worse（bad）.Oneofhis3.colleagues

（colleague）decidedtoassistDavidwiththematter.Meanwhileshe

hopedtocurehim4.ofhisbadhabits.However,David5.came

(come)intoconflictwithherbeforetheissuewasmentioned.Togetout

of6.thedilemma；she7.wasinstructed(instruct)totalkwithhimin

advance.Duringtheconversation,inthe8.presence(present)of

Mary,Davidlooked9.worn(wear)outandadmittedhewaswrong10.

initially(initial).Inconclusion,helearntthatbeingtoooutspoken

sometimescostsomething.

m.短文改错

ItcanbeseenfromthepictureMrLiu,whowearsamask,was

walkinghisdog.Interestingly,hisdogwhichalsowearsamask.

Inrecentyear,airpollutionhasbecomemoreandmoreseriousin

someareas,whichhaveledtosevereconsequences.Tosolvethis

problem,firstlyofall,weshouldraisethepublicawarenessofprotecting

theenvironment.Secondly,thegovernmentoughttopunishthe

illegalactsaspollutingtheenvironmentsevere.Thirdly,wemustdoour

besttoprotectingtheenvironmentinourdailylife.Onlyinthiswaycan

humanbeingsandanimalsshareapleasantplanetorliveahappylife.

答案：

ItcanbeseenfromthepictureAMrLiu,whowears

that

amask,waswalkinghisdog.Interestingly,hisdogwhk：h

is

alsowearsamask.

Inrecentyear.airpollutionhasbecomemoreandmore

years

seriousinsomeareas,whichhaveledtosevere

has

consequences.Tosolvethisproblem»firstlyofall,we

first

shouldraisethepublicawarenessofprotectingthe

zStep4直击高考•培兼思傕品质必

核心素养提升学生科技发展Lj信息技术创新能力、科学精神:提升学生分析和解决阿国的能力.使他们能够从跄文化

觇角观察和认识世界•对事物作出正确的价值利断。

高考链接2019•全国卷I阅读理解C：2019•全国卷II阅读理解1）:2019•北京高考阅读理解G2018•北京高务阅

读理解52018•天津高考阅读理解©2017・全国卷D阅读理解G2O17・全国卷ID阅读理解I）

I.话题与阅读理解

（2019•全国卷I阅读理解C）

Asdataandidentitytheftbecomesmoreandmorecommon,the

marketisgrowingforbiometric©三物测量）technologies—likefingerprint

scans—tokeepothersoutofprivatee-spaces.Atpresent,these

technologiesarestillexpensive,though.

ResearchersfromGeorgiaTechsaythattheyhavecomeupwitha

low-costdevice（装置）thatgetsaroundthisproblem:asmartkeyboard.

Thissmartkeyboardpreciselymeasuresthecadence（节奏）withwhichone

typesandthepressurefingersapplytoeachkey.Thekeyboardcould

offerastronglayerofsecuritybyanalyzingthingsliketheforceofauser's

typingandthetimebetweenkeypresses.Thesepatternsareuniqueto

eachperson.Thus,thekeyboardcandeterminepeople'sidentities,and

byextension,whethertheyshouldbegivenaccesstothecomputerit's

connectedto—regardlessofwhethersomeonegetsthepasswordright.

Italsodoesn'trequireanewtypeoftechnologythatpeoplearen't

alreadyfamiliarwith.Everybodyusesakeyboardandeverybodytypes

differently.

Inastudydescribingthetechnology,theresearchershad100

volunteerstypetheword“touch"fourtimesusingthesmartkeyboard.

Datacollectedfromthedevicecouldbeusedtorecognizedifferent

participantsbasedonhowtheytyped,withverylowerrorrates.The

researcherssaythatthekeyboardshouldbeprettystraightforwardto

commercializeandismostlymadeofinexpensive,plastic-likeparts.The

teamhopestomakeittomarketinthenearfuture.

【文章大意】这是一篇说明文。本文介绍了一种新的科技一一智能键盘,

它既降低了网络空间用户的成本，又给他们带来了安全。

1.Whydotheresearchersdevelopthesmartkeyboard?

A.Toreducepressureonkeys.

B.Toimproveaccuracyintyping.

C.Toreplacethepasswordsystem.

D.Tocutthecostofe-spaceprotection.

选D。细节理解题。根据第一段的Atpresent,thesetechnologiesarestill

expensive,though.彳口第二段的ResearchersfromGeorgiaTechsay

thattheyhavecomeupwithalow-costdevicethatgetsaroundthis

problem:asmartkeyboard.可知，研究者们开发智能键盘是为了降

低e-space保护的成本。故选D。

2.Whatmakestheinventionofthesmartkeyboardpossible?

A.Computersaremucheasiertooperate.

B.Fingerprintscanningtechniquesdevelopfast.

C.Typingpatternsvaryfrompersontoperson.

D.Datasecuritymeasuresareguaranteed.

选C。细节理解题。根据第二段的Thekeyboardcouldoffer...the

keyboardcandeterminepeople'sidentities可知，每个人的打字方式不同,

这使得智能键盘能够识别人的身份。故选C。

3.Whatdotheresearchersexpectofthesmartkeyboard?

A.It'llbeenvironment-friendly.

B.It'llreachconsumerssoon.

C.It'llbemadeofplastics.

D.It'llhelpspeeduptyping.

选Bo细节理解题。根据最后一段的Theteamhopestomakeittomarket

inthenearfuture,可知，研究者们希望智能键盘能早日面世。故选B。

4.Whereisthistextmostlikelyfrom?

A.Adiary.B.Aguidebook.

C.Anovel.D.Amagazine.

选D。文章出处题。本文介绍了一种新的科技一一智能键盘，它能给

e-space用户带来安全，由此可知，本文是一篇关于科技的文章，结合

所给选项可知，本文可能来自一本杂志。故选D。

【微技能点拨】推测文章来源或读者对象

常见命题形式：

①Thepassageisprobablytakenoutof.

②Thepassagewouldmostlikelybefoundin.

③Wheredoesthistextprobablycomefrom?

解题策略如下：

1.通读全文，掌握文章大意；

2.立足文章已知事实推断未知；

3.以文章提供的事实和线索为依据合理推断，不要脱离原文主观臆

断。

本文第4题为文章出处题，根据策略解题如下：

Stepl通读全文，从文章中归纳文章大意；

Step2已矢口事实：dataandidentitytheftbecomesmoreandmore

common;thesetechnologiesarestillexpensive;ResearchersfromGeorgia

Tech;Inastudy

Step3得出答案D。

【语用提能】

话题词汇identity,scan,precisely,extension,commercialize

短语comeupwith,applyto,giveaccessto,baseon

straightforwardadj.容易理解的，简单的；坦诚的，直

熟词生义

率的

【微语法填空】

Asdataandidentitytheftbecomesmoreandmorecommon,the

marketisgrowingforbiometrictechnologiestokeepothersoutofprivate

e-spaces.Atpresent,thesetechnologiesarestillexpensive,1.

ResearchersfromGeorgiaTechsaythattheyhavecome2.

withalow-costdevicethatgetsaroundthisproblem:a

smartkeyboard.Thissmartkeyboard3.(precise)measures

thecadencewithwhichonetypesandthepressurefingersapplytoeach

key.Thekeyboardcouldofferastronglayerofsecuritybyanalyzing

thingsliketheforceofauser'stypingandthetimebetweenkey

presses.

Italsodoesn'trequireanewtypeoftechnology4.people

aren'talreadyfamiliarwith.Everybodyusesakeyboardandeverybody

typesdifferently.

Inastudy5.(describe)thetechnology,theresearchers

had100volunteerstypetheword“touch“fourtimesusingthesmart

keyboard.Data6.(collect)fromthedevicecouldbeused

torecognizedifferentparticipantsbasedonhowtheytyped,withverylow

errorrates.Theresearcherssaythatthekeyboardshouldbepretty

straightforwardtocommercializeandismostlymadeof7.

(expensive),plastic-likeparts.Theteamhopestomakeitto

marketinthenearfuture.

1.thougho句意：不过，这些科技依然昂贵。though〃不过，然而〃。

想出，提出

2.upocomeupwith”

3.preciselyo副词修饰后面的动词measureso

4.that/which。关系代词在定语从句中作宾语，指代先行词

technologyo

5.describingoStudy与describe是主动关系，故用动词-ing形式作定语。

6.collectedoData和collect是被动关系，故用过去分词作定语，相当

于

whichwerecollectedo

7.inexpensiveo和第一段中的内容相对照，可知此处是用不贵的塑料

材料，故用其反义词。

n.话题与写作

假设你是一所中学的学生会主席李华，你所在的城市将开展主题

为〃Let，sRideBicycles〃的活动。请你写一份海报，号召同学们积极参加。

主要内容包括：

1.目前汽车带来的空气污染和交通堵塞等问题；

2.骑自行车的益处，如节能环保、有利健康等。

参考词汇：低碳生活(low-carbonlife);节能(energy-saving)

注意：词数100左右。

Stepl写作技巧

1.词汇提升

①随着人们生活水平的提高

withtheimprovementofpeople'slivingstandards

②一种普遍的交通工具

apopularmeansoftransport

③给……带来方便

bringconvenienceto.,.

④一方面……另一方面……

foronethin日.・,foranother，・,

⑤环保的environmentallyfriendly

⑥而且besidesfwhat'smore

⑦有益于begoodfor玲bebeneficialto

而且，骑自行车是我们锻炼身体的好方法，对我们的健康有好处。

What'smore,ridingbicyclesisagoodwayforustoexerciseanditis

beneficialtoourhealth.

2.一句多译

汽车也造成了一些问题，如空气污染和交通堵塞。

Carshavealsocausedsomeproblemssuchasairpollutionandtraffic

jams.

fCarshavealsoresultedinsomeproblemssuchasairpollutionand

trafficjams,(result)

->Carshavealsoledtosomeproblemssuchasairpollutionandtraffic

jams,(lead)

3.句式升级

众所周知，随着人们生活水平的提高，汽车成为一种普遍的交通工具,

给我们的生活带来极大的方便。

Withtheimprovementofpeople'slivingstandards,weknowthatcars

havebecomeapopularmeansoftransport,andbringgreatconvenience

toourlife.

玲Asisknowntousall,withtheimprovementofpeople'sliving

standards,carshavebecomeapopularmeansoftransport,bringing

greatconveniencetoourlife.

Step2妙笔成篇

Let'sRideBicycles

Asisknowntousall,withtheimprovementofpeople'sliving

standards,carshavebecomeapopularmeansoftransport,bringing

greatconveniencetoourlife.However,theyhavealsocausedsome

problemssuchasairpollutionandtrafficjams.

Howcanwesolvetheproblemsthen?AsfarasI'mconcerned,

ridingbicyclesisagoodsolution.

Foronething,bicyclesdon'tneedanypetrolandtheyare

energy-saving.Foranother;bicyclesareenvironmentallyfriendly

becausetheywon'tgiveoffwastegas.What'smore,ridingbicyclesis

agoodwayforustoexerciseanditisbeneficialtoourhealth.

Therefore,let/staketheresponsibilitytobuildupalow-carboncity

byridingbicycles.

Comeonandjoinus!

Students'Union

LiHua

【加固训练】阅读填句

Duringhis2009TEDGlobaltalk,soundconsultantJulianTreasure

saidtherearefourmajorwaysthatsoundaffectshuman.Whatdofire

alarms,carnoisesandalarmclocksallhaveincommon?Theirsound

affectsusphysiologically（生理上土也）.1.Heartrateincreases

andbreathquickensasthebodypreparestofightapossiblethreatorrun

forsurvival.Butaphysiologicalresponsetosoundisn'talways

upsetting.Therhythmic（有节奏的）frequencyofoceanwavesroughly

matchestherhythmofasleepingperson'sbreathing.2.

Thesecondwaysoundaffectsusispsychological—itmakesusfeel.

Haveyoueverheardapieceofmusicthatmakesyousad?Whetherit/sa

sadsongthatbringstearstoyoureyesorafunnysongthatmakesyou

laugh,musiccanmakeusfeelarangeofemotions.3.When

wehearthecomfortingsingingofbirds,weknowthingsaregoodand

safe.

4Thebraintriest