2025秋沪教版八上-第02讲 Unit 2 Amazing numbers重点讲解和专项练习（解析版）

第02讲Unit2Amazingnumbers重点讲解和专项练习1n.（尤指乘飞机的）航 p.2n.日程安 p.3adv.到处；各个地 p.4v.向（某人）挑 p.5n.奖赏；奖 p.6v.承诺；保 p.7n.国际象棋棋 p.8n. p.9v.回复；答 p.n.犹 p.v.想知道；琢 p.v.同意；赞 p.n.百分之 p.adv.目前；当 p.v.检查；核 p.n.预 p.n.省 p.adv.急剧地；突然大幅度 p.v.计算（或清点）总 p.n.系 p.n.符号；记 p.v.代 p.adv.准确地；确切 p.flightschedule航班时刻表p.pricetag价格标签 p.20foramoment片刻；一会儿p.21withouthesitation毫不犹豫p.goup上 p.godown下 p.writedown写下；记下 p.30insteadof代替；作为……的替换p.教材原文Reading（P20-Readthestoryandfindouthowawiseoldmanusesnumberstooutwit1theTheoldmanandtheAlongtimeago,therewasakinginIndia.Theking’sfavouritegamewasOneday,awiseoldmancametothepalaceandthekingchallengedhimtoagame.“Youcanhaveanyprizeifyouwinthegame,”thekingpromisedtheoldman.Theoldmanthoughtforamomentandsaidslowly,“IfIwinthegame,I’dlikeonegrainofriceforthefirstsquareofthechessboard,twoforthesecond,fourforthethird...I’dlikeyoutodoubletheamountforeachoftherestofthesquares.”Thekingwas(surprised."Isthatall?"heasked."Wouldn'tyoulikegoldorsilverinstead?""No,justrice,"theoldmanrepliedwithouthesitation."Howmanygrainsofricewillthisbe?"thekingwondered,"Thereare64squaresonthechessboard,sotherewillbeone,two,four,eight,sixteen,...Perhapsabagofriceisenough."Afterthinkingaboutitforamoment,thekingThekingandtheoldmanplayedthegameforalongtime.Finally,theoldmanwon,sothekingorderedhismentocollectabagofrice.Theking'smenputonegrainonthefirstsquare,twoonthesecond,andsoon.Afterafewsquares,thekingrealizedtheproblem—evenwithallthericeinthecountry,hewouldstillnothaveenoughricetoputonthechessboard!考点考点 Oneday,awiseoldmancametothepalaceandthekingchallengedhimtoagame.一天，一位者来到皇宫，国王向他挑战一场比赛。（教材challenge用作名词时，意思是“挑战”。用作动词时，意思是“挑战”考点2“Youcanhaveanyprizeifyou考点2“Youcanhaveanyprizeifyouwinthegame,”thekingpromisedtheoldman.赛，你可以得到任何奖品。”国王向老人保证。（教材②win动词：赢得；获得（win-won- winnern.获胜者，赢【拓展辨析】winbeat（beat-beat-及物动词（金钱等名词Ourteamwonthegamelastnight.不及物动词（意为“获胜Shealwaystrieshardtowin.及物动词（宾语是比或竞争的对手即指人或团队的名词或代词Ibeatmyclassmateintherunning我在跑步比中击败了我的同学不及物动词（意为“（风雨等）（心脏）跳动Herheartwasbeatingfastwith考点考点3I’dlikeyoutodoubletheamountforeachoftherestofthesquares.量都翻倍。(教材①wouldlike（sb.）todosth.想要（某人）做某事want（sb.）todowouldlike+例：Iwouldlikeyoutohaveacupofcoffeewithme.我想要你跟我一起去喝杯咖啡。例：Wouldyoulikeacupofcoffee?你想要来杯咖啡吗？例：Iwouldliketohaveacupofcoffee.theamountof；anamountof；thenumberof；anumbertheamountof+不可数名词，意思为“ 例：Theamountofmilkis250ml.牛奶的量是250毫升。anamountof+不可数名词，意为“一定量的...”,asmall/largeamountof少量；大量意为“大量/少量 例：Anamountofenergyisrequiredtostartthemachine.（启动机器需要一定量的能量。）C.thenumberof+可数名词复数，意思为“ 例：Thenumberofstudentsinourclassis20.20D.anumberof+可数名词复数，“若干”或“许多”，asmall/largenumberof少量；大量意为“大量/少 例：Anumberofstudentshavepassedtheexam.（许多学生通过了考试。③therestof...意为“剩余的”,其后既可以加可数名词，也可以加不可数名词。当“therestof+n.”做例：Therestofthestudentsareplayingbasketballontheplayground.（剩余的学生正在操场上打篮球。Therestofthemilkisenoughforbreakfast.（剩余的牛奶足够当早餐。【拓展】restn.休息Let’shavearest.v.Wewillrestforhalfanhour.4Wouldn'tyoulikegoldorsilverinstead？你不喜欢金或银吗？（教材insteadadv.代替；顶替adv.例句：Shechosetowalktoworkinsteadofdriving.Instead,wecantryanewmethodtosolvetheproblem.5"Nojustrice,"theoldmanrepliedwithouthesitation.（教材①replyv./n.toreplyto+replyto：回应，答复，如“replytoaletter”（回信）、“replytoacomment”（回复评论【拓展】辨析：reply和“answer”可自由地用作及物或不及物动词；“reply”that从句或引出直接引语时是及物动词外，一般只用作不及物动词，其后若接名词或代词作宾语，应借助介词“to”。例如：Herepliedthathehadchangedhismind.（他回答说他改变了主意）；Hedidn’tanswer[replyto]myquestion.（他没有回答我的问题）“answer”除表示“回答”外，还可表示接听（电话）或对门铃等声响作出反应等（telephone、door、bell、door-bell等连用），“reply”不能这样用。例如：Whoansweredthetelephone?（谁接的电话Alittlegirlansweredthedoor.（一个小女孩应声去开门例如：Haveyouhadananswertoyourletter?（你寄出的信有回音没有？）Ireceivednoreplytomyrequest.（我的要求没有收到任何答复）Theansweriscorrect.（答案是正确的）②hesitationn.hesitatev.hesitatetodosth：表示犹豫做某事、不愿做某事。withouthesitation毫不犹豫例句：Shehesitatedtohurtthechild'sfeelings.（她不想伤害孩子的感情Hejumpedintotherivertosavethekidwithouthesitation.考点考点 "Howmanygrainsofricewillthisbe?"thekingwondered.“这将有多少粒米？”国王想知道（教材wonderv.例句：Hewonderedtofindtherightwaytoapologize.他想知道如何找到合适的道歉方式。Shewonderedwhathadhappenedtoherlostkeys.她想知道她丢失的钥匙出了什么事。Iwonderifhewillcometothepartytonight.Touristsallwonderattheancientbuilding’sdelicatecarvings.游客们都对这座古建筑的精美雕刻赞叹不已。It’snowonderthatshepassedtheexam—shestudieddayandnight.难怪她通过了考试——她日夜苦读。TheGreatWallisoneofthegreatestwondersinhumanhistory.长城是人类历史上最伟大的奇迹之一。7Afterthinkingaboutitforamoment,thekingagreed.国王想了一会儿，同意了。（①agreev.同 反义词：disagree不同foramoment片刻，一会儿=fora考点考点8Afterafewsquares,thekingrealizedtheproblem...几个方块之后，国王意识到一个问题...（realizev.（1）realize+Atlastsherealizedhermistakes.（2）realizethatIrealizedthatiswastimetogotoschool.（3）realize+疑问词+Idon’tthinkyourealizehowimportantthisisto （4）realizeShefinallyrealizedherdream.99Andthenweneedtocheckthetrainorflightschedule.考点考点 rise（sharply，quickly，slowly），grow，goup,double上升（急剧、迅速、缓慢），增长，fall（sharply，quickly，slowly）dropgodown下降（急剧、迅速、缓慢），掉落，下降(①sharplyadv.sharpadj.锋利的;②goupgodown上升/ Cardinalnumbersandordinalnumbers基数词和序数词（一、1~12one two three four five sixseven eight nine ten eleven twelve13~19的数字以-teenthirteen fourteen fifteen sixteenseventeen eighteen nineteen20~90等整十基数词以-tytwenty thirty forty fifty sixty seventyeighty ninety21~99twenty-two thirty-three forty-four fifty-fivesixty-six seventy-seven eighty-eight ninety-nine连字符+108:onehundredandeight256:twohundredandfifty-six908:ninehundredand1,001:onethousandand1,813:onethousand,eighthundredandthirteen12,345:twelvethousand,threehundredandforty-five1,234,567:onemillion,twohundredandthirty-fourthousand,fivehundredandsixty-seven5,123,456,789:fivebillion,onehundred记忆口诀基数词很容易，1~121319，以-teen2090，整十后面有-ty几十几，也容易，先说几十再说几，中间短杠“-”hundredand

thousand①英语中的基数词只有表示“百""千"“百万”“十化”的单位词，没有表示“万”亿”的单位词，故常用thousand(十)million(百万)来表达。表示“一万”ten/10thousand;表示“一亿”ahundredmillionmillion。②andhundredanother、allWe'llhavetowaitanotherthreeweeksfortheTheboylostallthefivepencilslastsuch、moreIcanfinishreadingtwosuchbooksinthreePleasegivemeonemorebananatoHislasttwobooksarewritteninMr.Liuwillteachyouthenextfour★知识点 序数第1~第1第11~第1第20~第90(整十twenty-——ninety-1～3: 形后加-th构成four→fourth(4th) nine→ninth(9th) twelve→twelfth(12th) 20～90中整十的序数词i,再加-eth ninety→ninetieth(90th)21～99 亿：均在其后加-

基变序，很容易，结尾加上-th。t,d,d。t,e,vef替。y加-ieth。：：★知识点3the连用，其后接可数名词单数表示分数、百分数、小数、倍数。分子用基数词分母用序数词分子大11athird/onethird4fourfifths/four-fifthsFourandathird3fiveandthreefifths55基数词twenty-fivepercentfifty-twopercent基数词+point(.)+threepointsixtwoonepointfiveonce1fivetimes5倍threetimes3倍数+thesize/weight/height/depthlength/ageChinaisalmostfivetimesthesizeofMexicoin倍数+比较级Iamtwiceolderthan我的年龄是你的(年龄的)倍数Thisschoolisfourtimesasbigasthat4“分数/百分数+of+名词”of后面的名词的单复数决定。Aswellknow,71%ofthesurfaceoftheearthiscoveredwithwater.71%二、

分子大于1, 分母加s。and连。24,half,quarter可代替。小时(基数词eighto'clock8twentytoeight7点40分钟数≤30时，用“分钟past+小时tenpastnine9点10halfpastsix(15分钟①aquartertosix5点45②aquarterpastthree3点15表示“具体年龄基数词nineyearsold9Fifteenyearsold15attheageof+attheageoffour在4Attheageofsixteen在16冠词+基数-year-old+aneight-year-oldboy一个8anine-year-oldgirl表示“大概年龄in+one's+inhisthirtiesinherfifties表示“几岁生日the/形容词性物主代词+序数词+herninthbirthdayHiseighteenthbirthday(美：月/日/年;英：日/月/年2024年1月11美：January英：11stthe+序数词20世纪：thetwentieththe+整十年份20世纪90年代：the第九十页：PageNinety408号房间：Room20路公交车：Bus110公安报警电 120急救热 119消防报警热基数词+105号：105Zhongshan301号：301Beihai第一节课：thefirst第二次世界大战：theSecondWorld基数词+单位词+(long/widehigh等①5米长:fivemeterslong=fivemetersineight③2米高：twometershigh=twometersin基数词+单位词+in+(length/width/weight等非零下温度：基数词+degree(s)(+单位词1℃:one零下温度：①基数词+degree(s)+below单位词);②minus基数词+degree(s)(+单位词①5℃:fivedegreesbelowzero=minusfivedegrees②10℃:minusten=minustendegrees★知识点4hundred、thousand、millionfourhundredcars四百辆汽车threethousandpeople三千人Ourschoolhassixhundredstudentsinhundreds/thousands/...+of+可数名词hundredsofnewtallbuildings（数以百计的新高楼）thousandsofstudents（数以千计的学生）ThecompanyearnedmillionsofdollarsinprofitlastTheuniverseisestimatedtohavebillionsofVocabularypractice(1Thewordsinitalicsarefromthestoryonpages20-21.MatchthesentenceWhenyouwonderaboutIfyoupromisetodoYoumaywinaYouwillwinthesilverIfyourfriendchallengesyoutoachessgame,

ayouareverysureyouwilldobhe/shewantstoseeifhe/shecanwin.cifyoucomesecondintherace.dyouthinkaboutitwithcuriosityandwanttoknowmoreaboutit.eifyoudowellinthe参考答案：（1）- ；（2）-a；（3）-e；（4）-c；（5）-2.Completethestorywiththewordsbelow.ChangetheformifhesitationprizepromisereplyApooryoungmancamefirstinarunningraceandwonsomegoldasa(1) .Helookedatthesmallpieceofgoldinhishandand(2) whattodowithit.Theyoungmandecidedtoaskawiseoldmanforadvice.“Ihavealittlegoldnow,butIwantmuchmore,”hesaid.“Canyouhelpme?”Theoldmanlookedathim.“Icanteachyouhowtomakemoremoneyifyou(3) toworkhard,”hesaid.Theyoungmanagreedwithout(4) .Thentheoldmanpointedoutofthewindow.“Lookoutside.Whatcanyousee?”heasked.“Icanseenothingbutanemptyfield,”theyoungman(5) “Useyourmoneytobuythisfield,”saidtheoldman,“andgrowsomecotton.Inayear,youcansellthecottonandmakeaprofit.”Theyoungmanfollowedhisadviceandworkedhardallyearround,andintime,hebecamevery解析：根据前文“wonsomegoldasa...”（赢得一些金子作为...），结合“prize”（奖品）的含义，此处应填解析：空格前“lookedatthesmallpieceofgold”（看着小块金子），后文“whattodowithit”（该用它做什解析：老人说“我可以教你赚更多钱，如果你...努力工作”，此处需要“承诺”的含义。“promisetodosth”是固解析：前文“theyoungmanagreed”（年轻人同意），后文“without...”（没有...），结合“hesitation”（犹豫）解析：前文老人问“Whatcanyousee?”（你看到了什么？），后文是年轻人的回答内容，因此需要“回答”的/考点1instead和instead1．- eatingout,whynotcallsomefriendsandhavea--That'sagoodidea,andI'llgofishing A．Instead; B．Insteadof;insteadC．Insteadof; D．Instead;instead【答案】【详解】句意：为什么不叫一大群朋友去野餐来代替一个人外出聚餐呢？（一）instead意为“代替”“替代”，作副词用，通常位于句尾。如位于句首时常用逗号与后面阁开。instead在顺接句子中作“代替”讲，而在转折(或逆转)句子中作“然而”讲。（二）insteadofinstead相同，不同之处在于它后面常接宾语，起宾语多由名词、代词、介词、短语、动词+ingC。考点21．MikechallengedhisclassmatetoagameofA．ordered...toplayB．invited...to C．beat...to D．promised...to【答案】【详解】句意：Mike考查动词短语。ordered...toplay命令……去玩；invited…toplay邀请……去玩；beat…toplay打败……去玩；promised…toplay承诺……去玩。根据“challengedhisclassmatetoagameofchess”Mike邀请B。考点 win及辨析prize和Theywerehappytoknowthatthey thefirst lastA．wins; B．won; C．win; D．won;【答案】won。price价格；prize奖品，奖项；praise表扬，赞美。firstprize“一等奖”，固定短语。故选TheChinesetabletennisteam themen’steamgoldmedalattheTokyoOlympics.（win/beat的正确【答案】奖金、冠军”等通过努力获得的结果或荣誉。例：wintheWorldCup（赢得世界杯）、winfirstplace（赢得第一名）、winascholarship（赢得奖学金）。winwon,won。Inyesterday’sfootballmatch,ourclass Class3andwonthechampionship.（winbeat的正确形式选【答案】例：beatthedefendingchampion（击败卫冕冠军）、beatTeamBrazil（击败巴西队）。beat的过去式是beatbeat。考点 和—MissChen,couldyoutellme thestudentsinyour—Forty-thenumber B．anumberC．theamount D．anamount【答案】【详解】句意：——陈小姐，你能告诉我你们班的学生人数吗？——amountof……的数量，后接不可数名词；anamountof许多，修饰不可数名词。根据“thestudents”可知，此CD选项；再由“Forty-nine.”thenumberof。故A。Everyyear,Stacypays moneyforrentingahouseandbuying B．alargenumber C．quitea D．hugeamounts【答案】【详解】句意：每年，Stacy考查短语辨析。many许多，修饰可数名词；alargenumberof大量的，修饰可数名词；quiteafew非常多，修饰可数名词；hugeamountsof大量的，修饰不可数名词。moneyD。3．A(n) ofexpertsarelookingintothematterandfindingoutthecauseofitwilltakeacertain oftime.A．number;amountB．number;amountsC．amount; D．amount;【答案】考查固定短语。anumberof“许多”，修饰可数名词的复数形式；anamountof“许多”，修饰不可数名词。第一空修饰复数名词“experts”，用anumberof；第二空修饰不可数名词“time”，用amounatof。故选A。4．Youcanlookup informationontheInternet.It’sveryconvenient.A．anumber B．thenumberC．anamount D．theamount【答案】复数；anamountof许多，后接不可数名词；theamountof……的数量，可以修饰可数名词，也可以修饰不可数名词。根据题干所给空的名词“information”C。考点5—Therestofthework very—Yes,butwecanfinishit 【答案】【详解】句意：——剩下的工作非常难。——考查主谓一致和时态。is主语为第三人称大数；are主语为第二人称或第一、三人称复数；was是is的过去2．YesterdayeveningPeteratesomeofthepizza,and wasputinthefridge. C．the D．the【答案】考查代词辨析。other其他的，接名词；another泛指三者以上的另一个；theother两者中的另一个；therest其余的。根据“Peteratesomeofthepizza,and…wasputinthefridge.”可知，此处是说其余的被放进冰箱里了，“therest”D。6would—Wouldyoulike footballwith—Certainly.Ilike footballverytoplay; B．toplay; C．playing;to【答案】【详解】句意：——你想和我们一起踢足球吗？——wouldliketodosth“想要做某事，愿意做某事”toplay，Clikedoingsth“喜欢做某事”playingB。—Wouldyouliketogoforapicnicwith ,butI’mtooNo,I B．I’d C．Yes,I’dlove D．Why【答案】【详解】句意：——你想和我们一起去野餐吗？——考查情景交际。NoIcan’t不，我不能；I’dlike语法不完整；YesI’dloveto是的，我想去；Whynot为什么不呢。根据“Wouldyouliketogoforapicnicwithus?”及“butI’mtoobusy.”可知，是很想去但是去不了，WouldyouliketoYes,I’dlovetoC。考点7Hepromised uswithourprojectassoonashefinishedhis C．to D．to【答案】考查动词不定式。promisetodosth.“承诺做某事”tohelpC考点8answer和Willyouplease tomyemailby 【答案】【详解】句意：到星期六你能回复我的电子邮件吗？A.answer回答 B.delete删除；C.reply回答DrefuseB/D；answer及物动词，后直接接宾语；reply既是不及物动词，也是及物replytosb/sth对C—Mr.Green,canyou some—Sorry,I’mbusy.I answer;answertoB．answer;replytoC．reply; D．reply;reply【答案】【详解】句意：——格林先生，你能回答一些问题吗？——考查动词辨析。answer“回答”toA；reply“回复”，answerreplytoC、DB。考点9InclassIansweredthequestionwithouthesitationandtheteacherpraisedmeina B．at C．not 【答案】hurry立即，匆忙atonce立刻，马上notslowly而不慢慢地hurriedly匆忙地，仓促地。考点10.1 themanrunningdownthestreet.I what’s 【答案 【详解】根据中英文对照可知，空处缺少了“看”lookat，祈使句中用动词原形，句首字母大写；wonder“想知道”；happen“发生”，用现在进行时态表示正在发生的事情，happen的现在分词为happeningLook；at；wonder；happening。考点11.1Thedeathofthekid theimportanceofthefoodsafety.【答案 【详解】makesbrealize/realise“使某人意识到”，us“我们”The考点12：agree—Ithinktravellingisagoodwayto .AnditcanopenoureyesasA．That’sapityB．I’mnot C．I’mafraid D．Iagreewith【答案】【详解】句意：——我认为旅行是放松的好方法。——考查情景交际。That’sapity真遗憾；I’mnotsure我不确定；I’mafraidnot恐怕不行；Iagreewithyou我同意你的观点。根据“Anditcanopenoureyesaswell.”D。Wedidn’t Jerry,butwe adatetodiscussaboutit.A．agreeon;agreed B．agreedwith;agreedonC．agreewith;agreed D．agreewith;agreed【答案】考查动词短语。agreewithsb.表示同意某人的意见；agreetosth.主要表示同意某一提议或建议，并愿意付诸动或接受某种情况的意愿；agreeonsth“Wedidn’t…Jerry,butwe…adatetodiscussaboutit.”agreewithagreedon3．To surprise,allthepassengersagreed withhim.A．he; B．his;to C．him; D．him;【答案】4．—Ithinkdrinkingmilkeverymorningisgood our—Yes,Iagree A．to; B．for; C．for;【答案】【详解】句意：——我认为每天早上喝牛奶对我们的健康有好处。——考查介词辨析。to朝着，到某处；with和；for为了。根据“...isgood...ourhealth.”和“...Iagree...you.”可知，begoodfor表示“对……有好处”Aagreewithsb表示“同意某人的看法”C。考点13Thereare studentsdoingsportsontheplaygroundeverytwohundredsB．twohundred C．hundreds D．hundred【答案】考查大数的表达。hundredsofA、B选项；hundred前无具体数字sofDC。It’ssurprisingthatonly ofnewsonline twentypercent, B．twentypercents,C．twentypercent, D．twentypercents,【答案】20%考查百分数的表达及主谓一致。percent表示“百分之……的”BD选项；“+of+名词”作主语时，谓语动词的数由名词决定，此处news是不可数名词，be动词用is。故选A。3．Thetownhas people,and ofthemareyoungadults.A．millionsof,two B．millionof;twoC．millionsof;two D．millionof;two【答案】考查数词用法。millionsof百万以上的，表概数；million表示具体的数量时，用单数形式。根据可知，第一空表概数，需millionsof；第二空表具体数字，需用twomillion。故选A。4．Thewinnerofthesingingcompetitionwasa girlcalledZhangMeifromChina.A．19-years- C．19year D．19years【答案】【详解】句意：这次歌唱比的获胜者是一个来自中国名叫张梅的19岁女孩考查年龄表达。19-years-old错误；19-year-old十九岁的；19yearold错误；19yearsold十九岁。通常在句中作表语。“十九岁的”要用19-year-old，year不能用复数，且要用连字符连接，此处作定语修饰girl要用复19-year-oldB。Whenhewas ,helefthometoworkindifferentinhis B．athis C．inhis D．athis【答案】般用“inone’s+几十的复数形式”来表示不确切的岁数。“inhistwenties”2029岁之间，C。Theteachingbuildinginourschoolisabout A．15-metrehighB．15metres D．15metres’【答案】15“数词+单位名词+形容词”15-metre-highB。7．—Whenisyourmother’sbirthday?—Herbirthdayison theFebruary25B．theFebruary C．February D．theFebruary【答案】【详解】句意：——你妈妈的生日是什么时候？——212“月份加序数词”DC。8．—WhyisJennysoBecausetodayisher weddinganniversary周年纪念日 B．the D．the【答案】【详解】句意：——珍妮为什么这么开心？——考查序数词的用法。fifth第五；thefifth第五；five五；thefive五。“anniversary”是单数，此处指第五个结婚纪念日，应用序数词。因空前有代词“her”theA。9．Iam childinmyfamily.Ihaveanelderbrotherandayoungersister.A．onlyone B．thefirst C．thesecond D．thethird【答案】考查序数词。onlyone只有一个；thefirst第一；thesecond第二；thethird第三。根据“Ihaveanelderbrotherandayoungersister.”thesecond，表示“第二”C。10．Thereare daysintheyearA．threehundredandsixty-five B．threehundredandsixty-sixC．threehundredsixty-fifth D．threehundredandsixty-sixth【答案】【详解】句意：2025365考查基数词和序数词的用法。threehundredandsixty-five三百六十五；threehundredandsixty-six三百六十六；threehundredsixty-fifth第三百六十五（序数词）；threehundredandsixty-sixth第三百六十六（序数词）365366天。2025365A。Thehamburgerisa [‘sɪmbəl]ofAmericanfood.【答案】名词，由“a”symbol。Pinkisaverycleverdog.Itcan /kaʊnt/.【答案】数”count。Tothem,themostimportantthingisnottowinagoldora 【答案】【详解】句意：对他们来说，最重要的不是赢得金牌或银牌。silver“银牌”，a后跟名词单数。故填silver。4．Tomgotfirstp (奖项)inthewritingcompetition.【答案】Nextmonthwewilltakeadirect (航班)toHongKong.【答案】Doctorsdon’tknow (exact)whatcausessickness.【答案】表示“确切地知道”，exactexactlyexactly。Theresultshowsthat15 ofthestudentsdonotexerciseatall.【答案】【详解】句意：结果显示，15%的学生根本不锻炼。根据“15ofthestudentsdonotexerciseatall”和首字母Ifyoumakea ,youshouldkeepit,orotherswon’ttrust【答案】a后，填可数名词“youshouldkeepit,orotherswon’ttrustyou”Togetahighscore,pleasehandinyourpaperafter youranswerscarefully.【答案】【详解】句意：为了获得高分，请仔细检查你的答案后再交卷。根据“pleasehandinyourpaperafter…youranswerscarefully.”aftercheck“检查”的动名词形式10．Ican’t thatpupilsbringtheirmobilephonestoschool.【答案】【详解】句意：我不同意学生把手机带到学校。根据“thatpupilsbringtheirmobilephonestoschool.”以及首字Hedidn’t tothequestionwhentheteacheraskedhim.【答案】MyparentsandIarelookingformypetcat ,butIdon’tthinkwecanfind【答案】【详解】句意：我的父母和我到处寻找我的宠物猫。但是我认为我们找不到它。根据首字母提示以及“butIdon’tthinkwecanfindit”可知，到处都找了，everywhere“到处”。故填(e)verywhere。Lucyissobravethatsheiswillingto(乐于)accept inher【答案】【详解】句意：露西非常勇敢，她愿意接受生活中的挑战。根据“Lucyissobrave”及首字母提示可知，此处14．Iwillcheckthe (日程表)toseewhetherI’mfreenextFriday.【答案】schedule。Don’tgiveupinthefaceofproblems. ,findwaystosolve【答案】【详解】句意：面对问题不要放弃。相反，要找到解决问题的方法。根据“Don’tgiveupinthefaceofSomescientistsbelievethatitmaytake (hundred)ofyearstomakerobotsthinklikeus.【答案】【详解】句意：一些科学家认为，使机器人像我们一样思考可能需要数百年。根据“ofyears”可知，空处需hundredsof，表示“成百以上的”hundreds。Themanwasborninthe (第二十个的)century.【答案】18．Themaninhis (ninety)isingoodhealthbecauseheexerciseseveryday.【答案】inone’s+10“在某人几十多岁时”，ninetyninetiesnineties。Two ofthestudentshavepassedtheexam.(five)【答案】two“二”sfifthsfifths。Thewholefamilywillcelebratemygrandma’s (一百)birthdaynextmonth.【答案】时应使用序数词。hundredhundredthhundredth。AB,C,DAlongtimeago,therewasakinginIndia.Theking’sfavouritegamewas1.Oneday,awiseoldmancametothepalaceandtheking2himtoagame.Thekingpromisedtheoldman,“Youcanhave3prizeifyouwinthegame.”Theoldmansaid,“IfIwinthegame,I’dlikeonegrainofriceforthefirstsquareofthechessboard,twoforthesecond,4forthethird,andthendoubletheamountforeachoftherestofthesquares.”“Isthatall?”askedtheking,“Wouldn’tyoulikegold5silverinstead?”“No,justrice”,repliedtheoldman.Thekingandtheoldmanplayedthegame alongtime. theoldmanwon.Sothekingorderedhismentocollectabagofrice.Heputone onthefirstsquare,twoonthesecondandsoon.Thekingquicklyrealizedthe —evenwithallthericeinthecountry,hewouldstillnothave ricetoputonallthesquares!C．as7．A．AtB．AtC．AtD．At ofthechessboard”，可知，提到了棋盘，故这个国王很喜欢下棋。故选B。wanted想要；challenged挑战；promised承诺；asked问。根据“thekingpromisedtheoldman”可知，老人来B。句意：如果你赢了比，你可以拥有任何奖励any任何；a一个；some一些；many许多。根据“ifyouwinthegame.”可知，如果老人赢了比，就可以获A。six六；five五；four四；three三。根据“forthefirstsquareofthechessboard,twoforthesecond”可知，第一格C。and和；or或者；aswell也；but但是。根据上文可知，国王认为大米的要求很简单，问智者要不要用黄金B。句意：国王和老人比了很长时间Atfirst起初；Atlast最后；Atleast至少；Atmost最多。根据“theoldmanwon.”可知，老人最后获胜了。故B。8piece块；bar条；bunch串；grain粒。根据上文可知，在方格里放大米粒。故选D。questionmatterproblemDmany许多；any任何；enough足够的；every每一个。根据“evenwithallthericeinthecountry”可知，即使C。ATheMayannumbersystemappearedinthefourthcentury,whichwasabout1,000yearsearlierthanthetimewhentheEuropeannumbersystemwascreated.ItisdifferentfromtheArabicnumbersystemwithabase10.TheMayansystemhadabase20.ThissystemisbelievedtohavebeenusedbecausetheMayanslivedinsuchawarmareaandtherewashardlyaneedtowearshoes.20wasthetotalnumberoffingersandtoes,sothesystemwasworkable.Therefore,thereweretwoimportantnumbersinthissystem.Besides20,theotherimportantnumberis5,whichhadaconnectionwiththenumberoffingersandtoesononehandorfoot.TheMayansystemusedtwosymbols(符号).Adot(.)wasusedtomeantheunits(onetofour)andadash(—)meantfive.TheMayanswerealsothefirsttocreatesymbolsofnothing(orzero).Themostcommonsymbolwasthatofashell()buttherewereseveralothersymbols(e.g.ahead).ItisinterestingtolearnthatwithallofthegreatexpertsonMathsandscientistsinancientGreeceandRome,itwastheMayanIndianswhocameupwiththissymbolzeroornothing.ThefollowingpictureisaformofdifferentnumbersandhowtheywouldbeenFromfurtherstudy,peoplefoundthatthe360daycalendar(日历)alsocamefromtheMayan.Theyactuallyusedbase18whentheymadethecalendar.Eachmonthincluded20dayswith18monthsinayear.Thisleftfivedaysattheendoftheyearwhichwasmonthinitself,fullofdangerandbadluck.Inthisway,theMayanshadinventedthe365daycalendar.Whatdoestheunderlined“It”inparagraph1referTheEuropeannumbersystem. B．TheMayannumbersystem.C．TheArabicnumber D．TheMayansymbolWhycouldtheMayansystembeusedatthatPeoplelivedinsuchawarmareathattheydidn’tneedtocountPeoplebelievedthattheyhardlyusedtheirfingersortoestocountPeoplethoughtthenumberoffingersandtoeswasenoughtocountPeoplefoundthattheycouldusethedaysinayearofacalendartocountWhichofthefollowingsymbolsmeans WhatcanwelearnfromtheTheMayannumbersystemhadabaseAllnumbersystemshadthesameTherewereonly360daysintheMayanThesymbolofzerofirstappearedintheMayannumberWherecanyouprobablyfindtheA．A B．An C．Atravel D．Ageography【答案】 词义猜测题。根据“TheMayannumbersystemappearedinthefourthcentury...ItisdifferentfromtheArabicnumbersystemwithabase10.TheMayansystemhadabase20.”可知，代词“It”指代的是“TheMayannumbersystem”B。“ThissystemisbelievedtohavebeenusedbecausetheMayanslivedinsuchawarmareaandtherewashardlyaneedtowearshoes.20wasthetotalnumberoffingersandtoes,sothesystemwasworkable.”C。3．细节理解题。根据“Adotwasusedtomeantheunits(onetofour)andadashmeantfive.”可知，数字163个“5”1个“1”3个“—”1个“.”A。细节理解题。根据“TheMayanswerealsothefirsttocreatesymbolsofnothing(orzero).”可知，零的符号最D。BMarch14isagreatdayforfansofmaths.ItiscelebratedasPi(π)Day,adaytocelebratethenumberthatmanypeopleknowverywell.ThedatecopiesfromthefirstthreenumbersofPi(π).Marchisthethirdmonthandthe14thmeansoneandfour.Altogetheritis3.14.Pi(π)comeswherevertherearecircles(圆).PihasbeenknownforthousandsofyearsandgetsitsnamefromaGreekletter,π.TheGreeksarebelievedtobetheearliesttousetheletterinmaths.ThefirstPiDaywascelebratedonMarch14,1988.SanFrancisco’sExploratoriumScienceMuseumstartedtheevent.Themuseummarksthedaywithadaylongcelebration.March14isalsothebirthdayofthefamousscientistAlbertEinstein.PrincetonUniversity,whereEinsteinlivedformanyyears,celebratesPiDayaswell.March14,2009,wascelebratedasNationalPiDay.AndMarch14,2019alsomarkedtheone-yearanniversary(周年纪念日)ofthedeathofStephenHawking.AndhowdopeoplecelebratethePi(π)Day?Maybeyoucantrytheseideas:Eatormakedifferentkindsofpies(forexample,applepies,cherrypies,andevenpizzapies);Celebratethedaywithapiecutusingthemathematicalconstant(常数)ofPi(π);DiscusstheimportanceoftheletterWatchLifeofPiinLookforthenumber3.14ineveryplace(suchaspricesandstreetWhichofthefollowingliketocelebratethePiDaymostGreekstudents.B．Movie C．Maths WhendidthePiDaystartasaAboutthousandsofyearsago. B．OnMarch14,1988.C．OnMarch14,2009. D．OnMarch14,2019.WhichactivitymayNOThappenonPiPeoplewillmakeappleStudentswilltakephotosofthepricetagwith$312.C．LifeofPiisshownincinemas.D．PeoplewilltalkabouttheachievementsofWhichofthefollowingisNOTtrueaccordingtothePeoplethinktheGreeksaretheearliesttousetheletterπinTheGreekletterahasthesamepronunciation发音asStephenHawkingdiedinD．EinsteinworkedinSanFrancisco’sExploratoriumScienceMuseumWhydidthewriterwritethisTolearnaforeign B．TointroducePi(π)C．Toaskpeopletolearnmaths D．Tohelpstudentsworkoutsomemaths【答案】 “March14isagreatdayforfansofmaths.”以及“ThedatecopiesfromthefirstthreenumbersofPi(π).”C。细节理解题。根据“ThefirstPiDaywascelebratedonMarch14,1988.”19883B“Eatormakedifferentkindsofpies(forexample,applepies,cherrypies,andevenpizzapies);Celebratethedaywithapiecutusingthemathematicalconstant(常数)ofPi(π);Discusstheimportanceoftheletterπ;WatchLifeofPiincinemas;Lookforthenumber3.14ineveryplace(suchaspricesandstreet312B“PrincetonUniversity,whereEinsteinlivedformanyyears,celebratesPiDayaswell.”可知，爱因斯坦是在普林斯顿大学居住多年，而不是在旧金山探索者科学博物馆。故选D。5．主旨大意题。根据“ThefirstPiDaywascelebratedonMarch14,1988.”可知，本文主要介绍了圆周率日。B。CWelcomebacktoWordUp,ournewprogrammeaboutlanguages.ThisWelcomebacktoWordUp,ournewprogrammeaboutlanguages.Thisweek,let’slearnaboutideograms,pictogramsandlogograms.Theyaresymbolsofideasorthoughts.Forexample,