Unit4 section B知识点精讲精练-2022-2023学年英语九年级全一册教材知识点精讲精练(人教新目标版)

Unit4sectionB知识点讲解1.influencev.&n.影响influence为及物动词，后可直接跟宾语。例句：Myparentshaveinfluencedmealot.我的父母对我影响很大。influence作名词用时，与on连用。例句：Thosefriendshaveabadinfluenceonme.那些朋友对我有负面影响。2.failv.不及格；失败；未能(做到)failinsth.表示＂在某方面失败＂，其反义短语是succeedinsth.。例句：Hefailedinbusiness.他经商失败。failtodosth.表示＂未做成某事＂。例句：Hefailedtoclimbupthetalltree.他未能爬上那棵高树。3.19-year-old十九岁的例句：Heisa19-year-oldyoungman.他是一个十九岁的年轻男人。19-year-old为复合形容词，由＂数词＋名词(单数)＋形容词＂构成，而且三者之间要用＂-＂来连接。用作定语。4.absentadj.缺席；不在absent的名词形式为absence；反义词为present。常用结构为：beabsentfrom...＂缺席……＂。例句：Jimwasabsentfromthemeetingyesterday.吉姆昨天开会缺席了。5.seldomadv.不常；很少seldom相当于hardlyever，反义词是often，通常置于行为动词之前，be动词、情态动词和助动词之后，是一个表示否定意义的副词。例句：Tomseldomgoesout.布朗先生很少外出。【拓展】频率副词是表示动作发生频率的副词，多与一般现在时连用。常见的频率副词按其频率发生的高低可排列为always(总是，一直)>usually(通常)>often(经常)>sometimes(有时)>seldom(很少)>never(从来没有，从来不)。5.takepridein为……感到自豪in为介词，其后可接名词、代词或动词-ing形式。相当于beproudof。例句:Theyoungmothertookprideinherson.=Theyoungmotherwasproudofherson.这位年轻的妈妈为她的儿子感到自豪。【拓展】beproudtodosth.意为＂为做某事感到骄傲/自豪＂。例句：HeisproudtobeastudentofQinghuaUniversity.他为成为清华大学的一名学生而感到自豪。6.beproudof为……骄傲；感到自豪beproudof相当于takepridein，其中proud是形容词，意为＂自豪的；骄傲的＂，而pride是名词，意为＂自豪；骄傲＂。例句：Iamproudofmyson.＝Itakeprideinmyson.我为我的儿子感到自豪。inpublic公开地；公众例句：IgetnervouswhenIspeakinpublic.我当众讲话时觉得很紧张。【拓展】in+名词的短语（in+名词表示出于某种状态）Introuble处于困境intime及时inperson亲自insilence沉默地；无声地Infact其实；实际上indanger处于危险中incommon共有8.benervousabout对……很紧张about可以替换为of。例句：Iamreallynervousabouttheinterview.对这次面试她真的很紧张。9.allthetime一直；始终【辨析】allthetime与always词汇用法例句allthetime＂一直；始终＂，不表示频率，多置于句末。They’rerunningandjumpingallthetime.他们一直跑呀跳呀。always频度副词，＂总是；永远＂，表示动作重复、状态持续。Ialwaysgotoschoolonfoot.我总是步行去学校。【拓展】与time相关的短语：onceuponatime从前 intime及时ontime准时 manytimes多次aheadoftime提前 atthattime在那时atthesametime同时 fromtimetotime＝sometimes有时bythetime到……的时候 forthefirsttime第一次haveagoodtime玩得开心10.【辨析】anumberof与thenumberofanumberof许多……后接可数名词复数作主语时，谓语动词用复数形式thenumberof……的数量后接可数名词复数作主语时，谓语动词用单数形式例句：Anumberofapplesarered.许多苹果是红色的。例句：Thenumberofstudentsis2,000.学生的数量是2000。11.inthelastfewyears在过去的几年里，在近几年里in/during/overthelast/past...years常与现在完成时连用，是现在完成时的标志之一。例句：Myhometownhaschangedalotinthelastfewyears.在过去的几年里我的家乡发生了很大变化。12.It’sbeen(is)＋一段时间＋since...自……以来有一段时间了。此结构中主句动词是hasbeen或is，since引导的从句常用一般过去时。例句：Ithasbeen(is)twoyearssincehisfatherdied.(＝Hisfatherhasbeendeadfortwoyears.＝Hisfatherdiedtwoyearsago.)他父亲去世两年了。【注意】除此结构外，since引导的时间状语从句通常用一般过去时，其主句常用现在完成时。且也可和此结构相互转换。例句：It’sbeentwenty-twoyearssinceIworkedhere.13.Itishardtobelievethatheusedtohavedifficultiesinschool.很难相信他过去在学校有许多困难。Itishardtobelieve+that从句意为＂很难相信……＂。此句型中it是形式主语，真正的主语是动词不定式结构tobelieve...，其中that引导的从句作believe的宾语。例句：Itishardtobelievethatshe’sonlynine.很难相信她只有9岁。【拓展】句型Itis+adj.（+forsb./ofsb.）+todosth.14.Mario,youusedtobeshort,didn’tyou?马里奥，你过去很矮，是吗？(1)usedto意为＂过去常常＂，后接动词原形，表示过去经常发生的动作或存在的状态(暗含现在已经不复存在)。例句：Heusedtowalktoschool.他过去常常步行去上学。【辨析】usedtodosth.,beusedtodosth.与beusedtodoingsth.usedtodosth.过去常常做某事，只用于过去时态Heusedtogotosleepat9o’clockintheevening.他过去常常在晚上9点钟睡觉。beusedtodosth.被用于做某事，是被动语态，不定式表目的，可用于多种时态Woodisusedtomakehouses.木材被用来造房子。beusedtodoingsth.习惯于做某事，可用于现在、过去、将来等多种时态Heisusedtogoingtosleepearly.他习惯于早睡。(2)本句是一个反意疑问句，反意疑问句的特点是＂前肯后否＂或＂前否后肯＂。例句：Youareastudent,aren’tyou?你是个学生，对吗？【助记】反意疑问句的用法反意问句要点三，前后谓语正相反；附加问句not现，必须缩写是习惯；最后一点应注意，问句主语代词替。【拓展】反意疑问句的用法①回答反意疑问句和回答一般疑问句一样，如果答语是肯定的，用＂Yes+肯定结构＂；如果答语是否定的，则用＂No+否定结构＂。例句：—Heenjoysdancing,doesn’the?他喜欢跳舞，是吗？—Yes,hedoes./No,hedoesn’t.对，是的。/不，不是。②回答陈述部分为否定句的反意疑问句时，yes或no的汉语意思与其本身的词义相反。例句：—Youdidn’tgotoschool,didyou?你没有去上学，是吗？—Yes,Idid./No,Ididn’t.不，我去了。/是的，我没有去。【助记】反意疑问句的回答方法回答反意疑问句，答案含义是依据，肯定事实用yes，否定事实用no替。同步练习（一）完形填空WhenIwasyounger,I___1___afraidofdogs.Ifadogwasclosetome,Iwouldmoveawayas___2___aspossible,orgoto___3___sideofthestreet.Butlateron,mysisterboughtapuppycalledCathy,andIhadtolivewithherinmyhouse.Mysistertoldmetopetthedog.Shewassmallandlookednice,___4___Iwasn’tsoscared,andIdidit.Thepuppydidn’tattackme.That’swhenI___5___Ireallylikedthispuppy!Istartedtakingcareofher,feedingher,takingherforawalk,andtakinghertothevet’s(兽医站)forcheck-ups.SlowlyIstartedtofind___6___.NowIlovehersomuch,andIwoulddoanythingforher.Myfriendsarestill___7___whyIamnolongerafraidofdogs.Itwasalongtime,butIdidit.Imadeupmymindto___8___beingafraid.I___9___myfearandchallengeandIovercomethem.Youcan,too.Isthereanythingyouareafraidof?Youhavethepowertobeatit.Thinkaboutitandseeifyoucan_____10_____awaytofaceyourfear.Takeachance!Itcouldchangeyourlife.1．A．usedtobe B．usedto C．usedtobeing D．usedbe2．A．slowly B．slow C．quick D．fast3．A．other B．others C．theother D．theothers4．A．and B．but C．so D．or5．A．realized B．hoped C．regarded D．required6．A．anything B．happiness C．love D．hate7．A．surprised B．excited C．afraid D．relaxed8．A．begin B．stop C．lose D．interest9．A．get B．raise C．understand D．face10．A．comeupwith B．dealwith C．comparewith D．takeup（二）阅读单选Although70yearsisashorttimeinhistory,thePRChasseenmanyupsanddownsduringthistime.BeforeNationalDay,weaskedstudentstosharetheirfeelingsaboutChina.Herearesomeoftheiranswers.YuShixiong,13,TianjinAfewmonthsago,ourschoolvisiteda5Gexhibitionhall,Iwassurprisedbyhowquicklypeoplecoulddownloadvideos.Ittookjustseconds.Isawarobotwithsensors(感应器)inallpartsofitsbody.Withthehelpof5Gtechnology,therobotcandothesamethingspeopledowithoutanytimegap(时间差).5GwillmaketheInternetofThings(物联网)possibleoneday.IhopeIcaninventsomethinglike5G.DuYiran,15,HebeiMyhometownisinacityinHebeiprovince.OnJuly30lastyear,everyoneinthecityconcentratedonabridge.Itsmainbodyis495meterslongand39.7meterswide.InordertoreducetheeffectthebridgemighthaveonBeijing-GuangzhouRailwaytraffic,thedesignersmadeaspecialturntable(转盘).Withitshelp,thebridgefinallygotintoplaceafterturningfor90minutes.Iwanttostudyharderanddesignsomethingnewinthefuture.ZhangKexin,14,ZhejiangPeoplelovetotravel.Inthe1970s,anyonewhohadabicyclewouldbetheenvy(羡慕的对象)ofothers.Then,greentrainscameout,buttheyranataspeedof30kmperhour.Inthe2010s,thespeedofChina’sfastesttrainsroseto350kmperhour.Nowchildrenmyagecanvisitmanyplaceswiththedevelopmentoftransportationnetwork.IhavevisitedBeijing,TibetandXiamen.Whenmaglevrailways(磁悬浮列车)aremorewidelyused,theywillgreatlyshortentraveltimeagain.YuShixiongthinks5Gtechnologyis________accordingtothepassage.A．exciting B．surprising C．interesting D．puzzling12．________wasnoticedbyeveryoneinacityonJuly30lastyear.A．5Gtechnology B．Arobotwithsensors C．Abridge D．Amaglevtrain13．Weknowthat________fromZhangKexin’sanswer.A．shehasvisitedHebei B．thespeedofthetrainshasbeenimprovedalotC．sheenviessomeonewhohasabicycle D．maglevrailwayshavebeenmostwidelyused14．WhichofthefollowingstatementsaboutthethreestudentsisTRUE?A．Theyareatthesameage. B．Theyallfeellikeinventingsomething.C．Theycanvisitanyplacethattheylike. D．Theytakeprideintheirmotherland.15．What’sthebesttitleforthepassage?A．Greatchangesinourcountry. B．Thefutureofourcountry.C．Thethreestudents’dailylife. D．Someknowledgeabouttechnology.①Mrs.Liisover70yearsold.ShehaslivedinBeijingallherlife.Areporterinterviewedheryesterday.Thefollowingaretheirquestionsandanswers.②Reporter:Whatwasyourlifelikeinthepast?③Mrs.Li:Myfamilylivedinatinyhouse.Myfatherwasapostman,andheoftenworkedtwelvehoursadayoutsideinthewintercoldorinthesummerheat.Mymumwasafarmgirlbeforeshemetmyfather.Shewasakindandlovingmother.Shedidn’tgoouttowork.Therewerefivechildreninmyfamily,andlookingafteruswasmorethanafull-timejob.④Thefoodweatewassimple.Wecouldonlyeatmeatonceortwiceayear.Iwasn’tsenttoschoolbecausemyfamilycouldn’taffordit.⑤Reporter:Howhaslifechanged?⑥Mrs.Li:Familieshavegotsmallerthantheywereinthepast.Theroleofwomenhaschangedtoo.Mydaughterisreallylucky.Shehasagoodeducation.I’mhappythatshecangotoworkevenaftergettingmarried,butsometimesIfeellonelybecauseshecan’tcometoseemeoften.⑦Transportandtravelareeasiertoday.WhenIwasyoung,Iwenteverywhereonfootorsometimesbybike.Nowyoucantakethebus,theundergroundoraplanetotravel.WhatIdon’tlikeisthatthere’ssomuchmoretraffic.It’ssodifficulttocrosstheroad.And,ofcourse,wehavetelevisiontodayandIreallyenjoywatchingTV.ButIhatesomeoftheshowsbecausetheyaretoonoisyforme.⑧Generallyspeaking,Ithinklifeisbettertoday.Weeatbetterandwelivelonger.WhodoesParagraph3(第3段)mainlytalkabout?A．Mrs.Li’sfatherandmother. B．Mrs.Li’smotherandMrs.Li.C．Mrs.Li’sbrothersandsisters. D．Mrs.Li’sfatherandthechildren.17．Mrs.Li’smother________.A．workedveryhardathome B．wasverystrictwithherchildrenC．oftengaveherchildrenmeattoeat D．workedonafarmaftergettingmarried18．ThepassagetellsusthatMrs.Li________.A．canoftenseeherdaughterB．haslivedinBeijingfor50yearsC．usuallywentoutbybikewhenshewasyoungD．couldn’tgotoschoolbecauseherfamilywaspoor19．Mrs.Lithinks________.A．herdaughterisnotlucky B．it’seasytocrosstheroadC．thefoodsheeatsissimple D．someTVshowsaretoonoisy20．Thepassageabovecanprobablybefoundinthepartof_________inanewspaper.A．Business B．Nature C．Life D．TravelWhenstudentsgottheirtextbooksatthebeginningoftheyearatSanMateoHighSchool,theyalsogottheYondrpouch（小袋子）,alockingdevice（锁定装置）fortheirphones.Thephoneisputintoitandgetslockedthroughamagneticdevice.It’snotunlockedagainuntilthefinalbellrings.Itwillberepeatedeverydayfortherestoftheschoolyear.AdamGelb,thevice-presidentoftheschool,wishestocreatephone-freespaces,becausenowmoststudentsjustlowertheirheadsandseldomcommunicatewitheachother.BradFriedman,ateacherattheschool,saidhewasworriedabouttheoveruseofphonesatschool.Hesaidheoftensawstudentscompletelylostthemselvesinthemobilephones,somenottalkingatallwithotherstudents.Recently,hehasalreadyseenthedifference.“Everyoneelsewastalkingandeatinglunchtogether.That’swhatIwasn’tseeingenoughofwhenphoneusagewasatitsworst.”hesaid.AsenioratSanMateoHighSchool,DjelaniPhilips-Diop,saidhewasexactlysurprisedatfirstwhenheheardhehadtolockhisphone.“Iworried,Iguess.LastyearwhenIhadmymobilephone,Iusediteveryday,”hesaid.Incaseofemergency（紧急事件）,everyclassroomhastheunlockingdevice.Teachersarestillabletousetheirowncellphonesanddeskphones.“We’vegottenall1,700students’phonesunlockedinamatterofminutes,”saidGelb.“Wespoketofourstudentswho,feelingangryatfirst,agreedthataphone-freeschoolexperiencedoessomehelp.”21．WhatcanwelearnabouttheYondrpouchfromParagraph1?A．Itisaphoneonlyusedbystudents. B．Itisalockingdeviceforphones.C．Itisadevicetobeusedforayear. D．Itisabelltounlockphones.22．AccordingtoAdamGelb,oneofthepurposestolockmobilephonesisto________.A．makethestudentslosethemselves B．helpthestudentstobehappierC．createspacestousephonesatanytime D．encouragestudentstohavemorecommunication23．Whatdidthestudentsoftendobeforetheirphoneswerelockedatschool?A．Theytalkedwitheachotherwheneatinglunchtogether.B．Theydidsportsafterclass.C．Theyusedtheirmobilephonesallthetime.D．Theyspentmuchtimereading.24．WhatisFriedman’sattitude（态度）towardsthenewschoolpolicy（政策）aboutusingmobilephones?A．Encouraging. B．Worried. C．Disagreeing. D．Doubtful.25．Whatcanwelearnfromthepassage?A．Thestudentswerewillingtohavetheirphoneslockedatfirst.B．Thephonewillnotgetunlockedwhenthereisanemergency.C．Somestudentscametorealizethebenefitsofthephone-freeprogram.D．Moststudentsenjoyedeatinglunchtogetherwiththeirphonesinhand.（三）语法填空根据短文内容，在空白处填入合适的单词或用括号内所给单词的适当形式填空。Markisa16-year-oldstudent.Hehasaveryhealthylife.However,oneyearago,hewasnotsohealthy.FromMonday____26____Friday,hestudiedeverydaybuthardlyeverdid____27____(some)sports.HeoftenusedtheInternet.____28____hisparentsaskedhimtoexercise,heneverdid.Hesometimeshelpedhismotherwithhousework,butonly

____29____(one)aweek.Onweekends,helikedwatchingTV.Thenthebad____30____came:Hebecamefatandhadfewfriends.Oneday,thedoctorinhisschooltalkedwith____31____(he).HetoldMarktodomoresportsbecauseitwasgoodforhisbodyand____32____.Fromthenon,Markdecidedtochangehishabits.Now,helikessportsactivitiessuchas____33____(play)basketballandsoccer.Heplayscomputergames____34____(little).Afterdinner,heoftentakes____35____walkwithhisparents.Doingexercisehelpshimbecomehealthyandstudybetter.Nowhealsohasmorefriends.（四）短文选词填空从方框内选择恰当的单词，并用其适当形式完成短文。fail,

send,

change,

miss,

advise,

good,

influence,

difficult,

happy,

proudLiWenisa15-year-oldboy.Heworksveryhardanddoes___36___inschool.It’shardtobelievethatheusedtohavedifficultiesinschool.Afterhisparentsmovedtothecitytowork,he___37___themverymuchandheoftenfeltlonely.Hisunhappinesshadabad___38___onhisschoolwork.Hebecamelessinterestedinstudyingand___39___hisexams.Thenhisparentsmadeadecisionto___40___himtoaboardingschool.However,hecouldn’tmakefriendsbecauseofhisshyness.Hefoundlifethere___41___.Oneday,hetoldhisteacherhewantedtoleaveschool.Histeacher___42___hisparentstotalkwiththeirsoninperson.Theconversation___43___hislife.Herealizedthathisparentslovedhimsomuchandtook___44___ineverythinggoodhedid.Afterthat,hisparentscommunicatedwithhimmoreoften.Hehadsomegoodfriendsandbecamemuch_____45_____.（五）用所给单词的正确形式填空46．Weare________(pride)ofbeingstudentsinthisschool.47．Afterreadingthe________,Ihavelearnedalotabouttheproject.(introduce)48．—DidBobuse________(fail)hisexaminations?—Yes,butheworksharderanddoesbetterinschoolnow.49．Parentshadbettertelltheirkidsthatitisbetter________(fail)thantocheat.50．Heusedtobeafraidof_____________(fly)inanairplane.（六）多句选词填空用方框中所给单词的适当形式填空。每词限用一次。two

share

ready

seldom

serious51．Ifyoutellmeyoursecret,IpromiseI________minewithyou.52．WhenIgoupstairs,I’mgladtofindlittleSamhasgothimself________forbed.53．Ridingbikestoschoolmoreoftencanhelpstoptheairpollutiongettingmuch________.54．Nowit’squitepopulartouseWeChatPayinChina,soTony________paysincashwhenshopping.55．MarieCurie,agreatPolishscientist,wontheNobelPrize________,firstin1867andlaterin1934.答案1．A

2．D

3．C

4．C

5．A

6．B

7．A

8．B

9．D

10．A【解析】1．句意：当我小时候，我怕狗。usedtobe过去常常；usedto过去常常，后接动词原形；usedtobeing错误干扰选项；usedbe错误干扰选项，不存在。根据“WhenIwasyounger,I...afraidofdogs.”可知，是过去怕狗。故选A。2．句意：我尽快地离开，或者走到街道的另一边。slowly慢地；slow慢的；quick快的，指动作快；fast快，指速度快。根据上文“WhenIwasyounger,I...afraidofdogs.”可知作者害怕狗，故此处应表示当有狗靠近时作者会尽快走开，强调速度快，修饰动词短语moveaway应用副词。故选D。3．句意：我尽快地离开，或者走到街道的另一边。other其他的，另外的，后跟可数名词复数或不可数名词；others其他的人或物，相当于other+名词复数；theother两者当中另一个，后跟名词单数，特指其他的人或物，后跟名词复数；theothers特指其他人或物，相当于复数名词。根据“goto...sideofthestreet.”街道有两边常识可知，此处指“两个中的另一个”，应用theother。故选C。4．句意：她很小，看起来很漂亮，所以我不害怕，我做到了。and和；but但是；so所以；or或者。根据“Shewassmallandlookednice,...Iwasn’tsoscared,”可知前后两个分句表示因果关系，用连词so。故选C。5．句意：就是那个时候我意识到我真得喜欢这只小狗。realized意识到；hoped希望；regarded把……看作；required需要。根据“Thepuppydidn’tattackme.That’swhenI...Ireallylikedthispuppy!”可知，作者开始喜欢小狗了，结合选项可知A项符合语境。故选A。6．句意：慢慢地我发现了快乐。anything任何物；happiness快乐；love爱；hate讨厌。根据上文“Istartedtakingcareofher,feedingher,takingherforawalk,andtakinghertothevet’s(兽医站)forcheck-ups.”的描述可知，作者在照顾小狗的过程中得到了快乐。故选B。7．句意：我的朋友们仍然很惊讶为什么我不再害怕狗了。surprised惊讶；excited兴奋；afraid害怕；relaxed放松。结合第一段“WhenIwasyounger,I...afraidofdogs.”及空格后“Iamnolongerafraidofdogs.”可知朋友们对作者的变化感到惊讶。故选A。8．句意：我下定决心要结束这种恐惧。begin开始；stop停止；lose丢失；interest兴趣。根据“Itwasalongtime,butIdidit.”可推知，我不再害怕。故选B。9．句意；我直面了我的恐惧与挑战并且克服了它们。get得到；raise饲养；understand理解；face面对。根据“myfearandchallenge”及各选项意思可知face“面对”符合语境。故选D。10．句意：想一想，看看你是否能想出一个直面你的恐惧的方法。comeupwith想出；dealwith处理；comparewith与……比较；takeup占据。根据“Thinkaboutitandseeifyoucan...awaytofaceyourfear.”可知，作者想表达找办法去面对恐惧。故选A。11．B

12．C

13．B

14．D

15．A【解析】11．细节理解题。根据“Afewmonthsago,ourschoolvisiteda5Gexhibitionhall,Iwassurprisedbyhowquicklypeoplecoulddownloadvideos.”可知，YuShixiong认为5G技术是令人吃惊的，故选B。12．细节理解题。根据“OnJuly30lastyear,everyoneinthecityconcentratedonabridge.”可知，去年7月30日，整个城市的所有人注意到了一座桥，故选C。13．细节理解题。根据“ZhangKexin”的描述“theyranataspeedof30kmperhour.Inthe2010s,thespeedofChina’sfastesttrainsroseto350kmperhour.”可知，火车的速度提高了很多，故选B。14．推理判断题。根据三个人不同的分享可知，他们都为中国取得的成就感到骄傲，故选D。15．最佳标题题。根据“Although70yearsisashorttimeinhistory,thePRChasseenmanyupsanddownsduringthistime.BeforeNationalDay,weaskedstudentstosharetheirfeelingsaboutChina.Herearesomeoftheiranswers.”及整篇文章的理解可知，主要介绍了不同的学生分享他们对中国70年来取得的成就的切身体会，故选A。16．A

17．A

18．D

19．D

20．C【解析】16．细节理解题。根据“Myfatherwasapostman,andheoftenworkedtwelvehoursadayoutsideinthewintercoldorinthesummerheat.Mymumwasafarmgirlbeforeshemetmyfather”可知，第三段主要介绍了李夫人的爸爸妈妈，故选A。17．推理判断题。根据“Shedidn’tgoouttowork.Therewerefivechildreninmyfamily,andlookingafteruswasmorethanafull-timejob”可知，李夫人的妈妈在家里照顾孩子比一份全职工作还要辛苦，由此可以推断妈妈在家里很辛苦，故选A。18．细节理解题。根据“Iwasn’tsenttoschoolbecausemyfamilycouldn’taffordit”可知，李夫人没有去上学，因为家里很穷，故选D。19．细节理解题。根据“ButIhatesomeoftheshowsbecausetheyaretoonoisyforme.”可知，她认为有些节目太吵了，故选D。20．推理判断题。本文是记者采访李夫人，谈到了过去和现在的生活发生的变化，这是属于生活类的文章，故选C。21．B

22．D

23．C

24．A

25．C【解析】21．细节理解题。根据“WhenstudentsgottheirtextbooksatthebeginningoftheyearatSanMateoHighSchool,theyalsogottheYondrpouch（小袋子）,alockingdevice（锁定装置）fortheirphones.”可知，Yondrpouch是一个锁定手机的装置。故选B。22．推理判断题。根据“AdamGelb,thevice-presidentoftheschool,wishestocreatephone-freespaces,becausenowmoststudentsjustlowertheirheadsandseldomcommunicatewitheachother.”可推理出，根据AdamGelb的说法，锁定手机的目的之一是鼓励学生进行更多的交流。故选D。23．细节理解题。根据“Hesaidheoftensawstudentscompletelylostthemselvesinthemobilephones,somenottalkingatallwithotherstudents.”可知，在锁定手机之前，学生们一直在用手机。故选C。24．推理判断题。根据“‘Everyoneelsewastalkingandeatinglunchtogether.That’swhatIwasn’tseeingenoughofwhenphoneusagewasatitsworst.’hesaid.”可推理出，Friedman认为锁定手机之后学生们有了很大的改变，学生们对这一新政策的态度发生了转变，彼此间的交流增多了，故推理出他对新政策持鼓励态度。故选A。25．推理判断题。根据“Wespoketofourstudentswho,feelingangryatfirst,agreedthataphone-freeschoolexperiencedoessomehelp.”可推理出，一些学生开始意识到锁定手机的好处。故选C。26．to

27．any

28．Although##Though

29．once

30．result

31．him

32．mind

33．playing

34．less

35．a【解析】26．句意：从星期一到星期五，他每天都学习，但是几乎不做任何运动。from…to…意为“从……到……”，固定搭配，符合语境。故填to。27．句意：从星期一到星期五，他每天都学习，但是几乎不做任何运动。句中“hardly”表否定，some需变为any，表示任何运动都不做。故填any。28．句意：尽管他父母要求他锻炼，但是他从来不做。根据“…hisparentsaskedhimtoexercise,heneverdid”，可知此句为although/though“尽管”引导的让步状语从句，句首单词首字母要大写。故填Although/Though。29．句意：他有时帮助他妈妈做家务，但是仅仅一周一次。one“一个”，根据“Hesometimeshelpedhismotherwithhousework,butonly…”可知，他帮他妈妈做家务的频率很低，仅一周一次，once“一次”。故填once。30．句意：坏的结果来了。根据下文“Hebecamefatandhadfewfriends.”可知，这些是坏结果。“结果”对应的英文表达为result。故填result。31．句意：有一天，校医和他谈话。he“他”，人称代词主格，talkwithsb“和某人谈话”，此空作宾语，应该用宾格。故填him。32．句意：他告诉Mark要做更多的运动，因为这对他的身心有好处。根据“itwasgoodforhisbodyand…”可知，指的是“身体和精神”，mind意为“精神”，故填mind。33．句意：现在他喜欢运动了，像打篮球、踢足球等。suchas后接名词、代词、动名词等，动词play需变为动名词playing。故填playing。34．句意：他现在玩电脑游戏更少了。根据“Now,helikessportsactivities”可知，现在Mark更喜