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Unit4NumbersNumbers話題數(shù)字詞匯ancient,times,nearly,invent,calculate,electronic,add,subtract,multiply,divide,percentage,powerful,against,living,amazing,instruction短語句型decimalnumber小數(shù)apairofoddnumbers一對奇數(shù)atleast至少internationallanguage國際語言inancienttimes在古代inmanydifferentways用很多不同的方法intens以十為計;十進制consistof由…組成;由…構(gòu)成calculatingmachines計算器so…that…如此…以致于…inaflash一瞬間doacalculation計算inone’swholelifetime終身livingputer活電腦anamazingbrain驚人的頭腦solvetheproblem解決問題findtheanswer得出答案(be)madeupof由…組成語法Numerals(數(shù)詞)考點1.ancientadj.veryold;fromatimelongago很久以前的;古老的,古代的【例題】e.g.TheancientChineseworedifferentclothesfromthemodernChinese.中國古人與現(xiàn)代人穿的衣服完全不同。IfeelprettyancientwhenIseehowtheyoungergenerationbehaves.看到年輕一代的行為舉止,我覺得我太老了?!就卣埂俊痉戳x】modernadj.現(xiàn)代的;現(xiàn)代化的考點2.times時代;時期【例題】e.g.InShakespeare'stimes,notmanypeoplecouldread.在莎士比亞時代,沒有多少人認識字?!就卣埂俊窘x】agen.時代考點3.nearly幾乎,差不多【例句】e.g.I'mnearly16–it’smybirthdaynextweek.我就快16歲了,下個禮拜是我生日。【拓展】【指點迷津:almost,nearly】兩詞意思均為“幾乎,將近,差不多”,當與動詞、副詞、形容詞及名詞連用時,意義相近,可互換。e.g.It'snearlysuppertime.=It'salmostsuppertime.快開晚飯了。almost可與no,none,never以及nothing等不定代詞連用,而nearly則不可;nearly常用在含有not的否定句中,而almost則不可與not單獨連用。e.g.There’salmostnowaterleftinthebottle.瓶子里水快沒了。Itisnotnearlysoprettyasitwasbefore.這兒遠不及以前漂亮了??键c4.inventv.發(fā)明,創(chuàng)造【例句】e.g.Whoinventedtheplane?誰發(fā)明了飛機?ThomasEdisoninventedtheelectriclight.托馬斯·愛迪生發(fā)明了電燈?!就卣埂縤nventorn.發(fā)明者;發(fā)明家inventionn.發(fā)明,發(fā)明物TomasEdisonwasoneofthegreatestinventorswhoinventedalotofthingsinhislife.托馬斯·愛迪生是一生中發(fā)明了許多東西的偉大發(fā)明家之一。His6,000inventionsincludedtheelectriclightbulb,thephonograph,andthemimeographmachine.他的六千項發(fā)明中,包括電燈泡、留聲機和油印機??键c5.calculate計算【例句】e.g.Canyoucalculatehowmuchaholidaywillcost?你能否計算一下度個假要花多少錢?【拓展】calculatorn.電子計算器e.g.Acalculatorisacalculatingmachinewhichhelpspeopletocalculatefasterandmoreaccurately.計算器是一種幫助人們用來更加快速、準確計算的機器。考點6.electronic電子的【拓展】e.g.electronictypewriter電子打字機electronicwatch電子表electronicmusic電子音樂Don'tuseanelectronicdictionaryinyourEnglishstudy.在你的英語學習中不要使用電子詞典。考點7.add加【例句】Ifyouadd4to5,youget9.四加五得九。Addupthesefigures,please.請把這些數(shù)字加起來?!居亚樘崾尽吭谶M行加法的描述時,我們常常說4plus3equals/is7,但千萬不可用add去代替plus,add是個動詞,而plus是個介詞。subtract減【例句】Ifyousubtract3from8,youget5.八減去三就得五?!居亚樘崾尽课覀兺瑯右膊荒苡胹ubtract去代替minus。上面這句話我們換種方式說就是8minus3equals/ismultiply乘【例句】6multipliedby5is30.6乘5等于30。Ifyoumultiply6by5,youget30.你用5去乘6,得到30。divide除;除盡【例句】30dividedby6is5.30除以6等于5。Ifyoudivide30by6,youget5.如果你把30除以6,就得到5。Threewillnotdivideintoeleven.3除不盡11??键c8.living活著的【例句】Somepeoplesayheisthegreatestlivingwriter.有人說他是健在的最偉大作家。【拓展】【指點迷津alive,live和living】(1)通常情況下,alive作表語(bealive),而living一般放在名詞前作定語用。e.g.Thatgreatmanisstillalive.那個偉人依然活著。alllivingthings一切生物Latinisnotalivinglanguage。拉丁語不是現(xiàn)代語言。(2)live也是“有生命的,活著的”之意,但往往指動物。e.g.alivefish一條活魚此外live還有“現(xiàn)場直播”的意思。e.g.aliveshow現(xiàn)場直播的節(jié)目。考點9.amazing令人驚奇的【例句】Whatanamazingembroidery!多么了不起的一幅刺繡作品!It'samazingthatyoucan'trideabike.你不會騎車可真令人驚訝?!就卣埂縜mazev.使吃驚amazedadj.吃驚的,驚奇的e.g.JackamazedeveryonebypassingtheEnglishexam.杰克通過英語考試使我們每個人感到驚訝。Wewereamazedbyhischangeinhisstudy.我們?yōu)樗趯W習中的變化而感到吃驚。【友情提示】amaze的形容詞有兩個,一個是amazed,一個是amazing,但用法不同,通常人做主語時用amazed,物作主語時用amazing。e.g.Itisanamazinggame.這真是一場令人驚奇的比賽。Iamamazedbyhiswords.我對他的話感到吃驚。語法精講——數(shù)詞基數(shù)詞和序數(shù)詞基數(shù)詞序數(shù)詞基數(shù)詞序數(shù)詞備注onetwothreefourfivesixseveneightnineteneleventwelvefirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenfourteenfifteensixteenseventeeneighteennineteentwentyfortyfiftysixtyseventyeightyninetythirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieththirtiethfortiethfiftiethsixtiethseventietheightiethninetieth基數(shù)詞變序數(shù)詞口訣序數(shù)詞不難記,基數(shù)詞后加上th.遇到ty結(jié)尾詞,y先變i再加e.8少t,9少e.面目全非三二一,ve結(jié)尾五/十二。換成f須仔細。若是碰到幾十幾,只將個位改為序。注意:基數(shù)詞主要表示數(shù)量。十位和個位之間須用連字符號,百位數(shù)和十位數(shù)之間要用and。如:31thirtyone序數(shù)詞主要表示順序,前面常用定冠詞。注意第一,第二,第三,第五,第八,第九,第十二等。第2129,31……9199的序數(shù)詞形式,只變個位數(shù),而十位數(shù)則用基數(shù)詞,若是多位的基數(shù)詞變?yōu)樾驍?shù)詞,只需將末位數(shù)字變成序數(shù)詞,前面的數(shù)詞不變,當序數(shù)詞用阿拉伯數(shù)字表示時,必須在該數(shù)字之后加上序數(shù)詞的最后兩個字母。如:第31thirtyfirst.百以上的序數(shù)詞表示方法;hundredhundredth,thousandthousandth.千以上的數(shù)字讀法:從后面往前每三位數(shù)字作為一個單位,用逗號分開。第一個逗號讀作thousand,第二個“,”讀作million。另外,“萬”用tenthousand,“十萬”用ahundredthousand表示,billion在美國為十億,英國的十億是onethousandmillion。二:年份&日期&時刻&編號的表示法類別說明例詞讀法年份表示在某年用介詞in+數(shù)字,讀時每兩個數(shù)字為一組以區(qū)別于整數(shù)。in1987in1056in2000innineteeneightysevenintenfiftysixintwothousand月份表示在某月用in+月份,月份的首字母要大寫,其縮寫形式為這個詞的前三個字母。inApril(Apr.)inMarch(Mar.)日期其順序是:月日(年),月年。有日時用介詞on,無日則用in,在月(日)與年之間用逗號分開。theyear776BC(公元前776年)onJanuary16inMay,2010onJuly1,1921onJanuarythesixteenthinMay,twentytenonJulythefirst,nineteentwentyone年代世紀表示“幾十年代”或“幾十歲”時,用十的倍數(shù)的基數(shù)詞的復數(shù),其前用in,且年代前用the。inthe1990sinhisfiftiesinthenineteennineties幾點鐘“在幾點”用介詞at+數(shù)字,o’clock可省略,如區(qū)分上下午,可在時間后加a.m.或p.m.at10:30at4p.m.atteno’clockatfourp.m.幾點幾分正讀法:先讀小時,再讀分鐘,倒讀法:前半小時為‘分鐘數(shù)+past+點鐘數(shù)’,30分鐘用half,15分鐘用aquarter,后半小時為‘60分鐘數(shù)+to+未來的點鐘數(shù)’at2:40at6:05at12:45attwothirty/halfpasttwoatsixfive/fivepastsixattwelvefortyfive/aquartertoone編號一般編碼用“名詞+基數(shù)詞”表示,強調(diào)“編號”,用“序數(shù)詞+名詞”著重“順序”。其讀法為“見幾讀幾”,連續(xù)重復出現(xiàn)的數(shù)可用double,零可用0或zero。郵政編碼:510640Room502Class2,Grade5Part5BusNo.16Roomfive0twoClasstwo,GradefivePartFiveBusnumbersixteen特殊數(shù)字的表示及讀法舉例/分類規(guī)則例詞讀法小數(shù)小數(shù)以基數(shù)詞加熊啊書店表示,點讀point,其前按數(shù)詞規(guī)則讀,其后的數(shù)一個個地讀。zero/naughtpointthreefivepointsixone分數(shù)分數(shù)由基數(shù)詞作分子,序數(shù)詞作分母構(gòu)成,分子大于1時,分母序數(shù)詞都要用復數(shù)1/21/43/43/202a/onehalfa/onequarter,onefourththreefourths/threequartersthreetwentiethstwoandfourfifths百分數(shù)%讀percent,百分數(shù)還可分開寫percent.45%fortyfivepercent大約數(shù)“正好”用exactly,clearly,precisely,大約用“about,nearly,some,towards,moreorless+數(shù)字”或less放在后面,還可用somethinglike,intheneighborhoodof,aday/week/month/yearortwo,“總共”用inall,total.大約1000人大約1小時50以上不到3010天左右40上下大約100畝地about/almost1000peopleabout/almostanhourmorethan/over/above50lessthan/under/below30sometendays/tendaysorsofortymoreorless/aboutfortyintheneighborhoodofahundredacresofland倍數(shù)一倍once,兩倍twice,三倍threetimesA比B大(高,長,寬)6倍增加了2倍=增至3倍=為Aissixtimesbigger/higher/broader/longer/widerthanB.=Aissixtimesasbig/highasB.CisthreetimeslessthanD.一些數(shù)學公式的表示法A+B=?AB=?A×B=?A÷B=?3+6=993=63×9=279÷3=3A>BA<BA≠BA≈BHowmuchisAplusB?HowmuchisAminusB?HowmuchisAtimesB?HowmuchisAdividedbyB?3plus/and6is9.9minus3is6.3from9is6.Threetimesnineistwentyseven.Ninedividedbythreeisthree.AismorethanB.AislessthanB.AisnotequaltoB.AapproximatelyequalsB.注意一些數(shù)詞習慣表達:tentoone十有八九sixesandsevens亂七八糟twosandthrees三三兩兩aoneeyedcat獨眼貓atwodayholiday連天的假期athreelegedchair三條腿的椅子比例表示法:Oneineightjoinedtheclub.八分之一的人參加了這個俱樂部。Oneinahundredsurvivedtheearthquake.百分之一的人在這次地震中活了下來。數(shù)詞的其他用法1.數(shù)量增加的表示及譯法increase(rise,grow,goup...)表示數(shù)量的增加increase(rise...)3times增加2倍increase(rise...)by15%增長15%6timesasmuchas...6倍那么多,多5倍halfaslongas...一般那么長30percentasheavyas...百分之三十那么重onefourthasgreatas...四分之一那么大2.數(shù)量減少的表示及譯法reduceto15%降到15%,減少85%reduceby20%減少20%fall/dropby10%下降10%fifteenpercentdiscount八五折thirtypercentdiscount七折3.年齡的表示法1)他8歲。Heiseightyearsold./Heisaneightyearoldboy.2)大概年齡表示法:他父親60多歲去世的。A.Hisfatherdiedinhissixties.B.Sheisstillinherfifties.她才50多歲。C.Heisinhisearlythirties.他30歲出頭。D.Sheisabout/aroundforty.她40歲左右。E.Heiscloseto70.他快70歲了。F.Sheisalmost80.她差不多80了。十幾歲(從1319歲)的說法:inhisteens十幾歲inhisearlyteens十三四歲“不滿歲”的表示法:Heisjustundertwenty.他還不到20歲Mymotheristwoyearsoffsixty.再過兩年我媽就60歲了。Heisgoingoneightyyearsold.他年近80歲。Shewillbe18yearsoldnextweek.下周她就18歲了。年歲的其他表示法:成年beofage,未成年beunderage,年邁befarinyears已到上學年齡beofschoolage,超齡beoverage使用英語數(shù)詞和阿拉伯數(shù)字注意事項使用數(shù)字時,應該遵循以下原則:A.10以下的數(shù)用英語數(shù)詞,100以上的數(shù)用阿拉伯數(shù)字。B.10100之間的數(shù)用英語數(shù)詞或阿拉伯數(shù)字均可。根據(jù)音標寫單詞8AU4Vocabulary(牛津)單詞音標詞性中文[d?'va?d]v.除以[d?'gri?]n.度數(shù)[?'spe?(?)l?]adv.非常['k?lkj?le?t]v.計算[bre?n]n.腦[pɑ?t]n.部分['l??gw?d?]n.預言['n??l?]adv.幾乎['s?st?m]n.系統(tǒng)[?n'vent]v.發(fā)明[d?'vel?p]v.發(fā)展[?n'ven?(?)n]n.發(fā)明['?b?k?s]n.算盤['?kj?r?t]a.正確的[??lek?tr?n?k]a.電子的['k?lkj?le?t?]n.計算器[s?b'tr?kt]v.減去['m?lt?pla?]v.乘以[p?'sent?d?]n.百分率['pa??f?l]a.強有力的[k?lkj?'le??(?)n]n.計算[h??l]a.整體的['la?fta?m]n.一生[?'genst]a.與…相比['l?v??]a.活著的['hju?m?n]a.人的['f?l????]a.下列的[?'me?z??]a.令人驚奇的[s?lv]v.解決['la?tn??]n.閃電['pr??gr?m]n.編寫程序['pa??]n.能量[k?m'pli?t]v.使完整[t?ek]v.檢查詞匯語法復習(1)8AU4詞性轉(zhuǎn)換整理1v.計算n.計算機n.計算adj.計算的2n.部分adv.部分地3v.發(fā)明n.發(fā)明家n.發(fā)明物4v.發(fā)展,壯大adj.發(fā)達的adj.發(fā)展中n.發(fā)展6n.能量adj.有能量的7adj.活著的adj.活的v.住n.生活8v.跟著的adj.下列的10v./adj.完成,完整的adv.完整地(2)8AU4課內(nèi)知識點根據(jù)中文翻譯英文。1. divide v. 除以E.g. 1) 15___________by5is3.15除以5等于3.Ifyou____________15by3,youget5.如果你把15除以3就得到5.2. degree n. 度數(shù)E.g. 1) Waterfreezesat__________________Celsius.水在零攝氏度結(jié)冰。Arightangleis90___________.直角為90度角。Mybrotherhasgotadoctor’s___________.我哥哥擁有博士學位。especially adv. 十分,非常E.g. 1) Hehasbeen__________busythisweek.他這星期特別忙。Ilikethecountry,__________inspring.我喜歡鄉(xiāng)村,尤其在春天。nearly adv. 幾乎,差不多E.g. 1) I’m__________16,it’smybirthdaynextFriday.我快16歲了,下周五就是我的生日。It’s_________lunchtime.=It’s__________lunchtime.快到吃午飯的時間了。Thereis____________________waterleftinthebottle.瓶子里快沒水了。4) Itis___________________soprettyasitwasbefore.它遠不及以前漂亮了。5. system n. 系統(tǒng)E.g. 1) Ipreferthis__________ofteachingEnglish.我更喜歡這一套英語教學體系。Theyaredevisingaroad___________.他們在設(shè)計道路系統(tǒng)。6. develop v. 發(fā)展,壯大E.g. 1) Somechildren__________moreslowlythanothers.有的兒童比其他兒童發(fā)育得慢。Columbus____________thenewland,NorthAmerica.哥倫布發(fā)現(xiàn)了北美新大陸。TheancientChinesepeople__________thepass.古代中國人發(fā)明了指南針。TheIndians__________thenumber‘0’,and__________the1to9numbersystem.印度人發(fā)明了數(shù)字0,從而發(fā)展了1至9這個數(shù)字系統(tǒng)。7. powerful adj. 強有力的E.g. 1) Thecarhasavery__________engine.這部車有一個強勁的引擎。2) Thepresidentisvery___________.總統(tǒng)享有很大的權(quán)力。8. whole adj. 整體的,全部的E.g. 1) Sheate_______________________cake.她一個人吃了整個蛋糕。WearegoingtostayinSpainfora___________month.我們打算去西班牙呆一個月。Theplayisverygood______________________________.這部戲劇整體上看很不錯。Theweatherthismonthhasbeengood___________________________.這個月的天氣總體上是好的。9. against prep. 與……相比E.g. 1) Youmustweighthebenefits_________thecost.你一定要權(quán)衡利益與成本。2) Theyplayedafootballmatch_________ateamfromanothervillage.他們跟另一個村的足球隊比賽。3) Manypeopleare__________theplan.很多人都反對這個計劃。Haveyouhadaninjection_________thedisease?你注射過這種疾病的預防針了嗎?Putthecupboard__________thewall.把這個壁櫥挨著墻擺放。10. living adj. 活著的E.g. 1) Somepeoplesayheisthegreatest_________writer.有人說他是健在的最偉大的作家。2) Thatgreatmanisstill___________.那個偉人依然健在。3) Allthe__________thingsneedairandwater.所有的生物都需要空氣和水。11. human adj. 人類E.g. 1) Thefirecausedaterriblelossof__________life.這場火災奪走了許多人的生命。A__________skeletonwasfoundbythebuildingworkers.建筑工人發(fā)現(xiàn)了一具人類骸骨。12. following adj. 下列的E.g. 1) Pleaseanswerthe__________questions.請回答下列問題。IcamebackfromholidayonSundayandwenttoworkonthe_________day.我星期天度假回來,第二天就上班了。3) Spring__________winter.冬去春來。4) Idon’tquite__________you.我不太明白你的意思。13. amazing adj. 令人驚奇的E.g. 1) Whatan_________painting!多么令不起的一幅畫!2) Yourletter_________me.你的信令我驚訝。3) Hewas__________atwhathesaw.對看到的情形,他驚訝不已。14. plete v. 使完整 1) Canyou___________thestorybyyourself?你能夠獨立把這個故事寫完整嗎?He____________________hishomework.他已經(jīng)完成了家庭作業(yè)。Isthisa____________list?這是一份完整的清單嗎?Keyphrasesandsentences.1....becauseitmadeiteasiertowritebignumbersandtocalculate.……因為它(0)使得大數(shù)字的書寫和計算更加容易。(1)becauseconj.因為e.g.Iwasangrybecausehewaslate.因為他遲到了,所以我生氣?!局更c迷津】because,since,as,for都是表示“原因”的連詞。以上連詞的語氣由強至弱依次為becausesinceasfor;其中because,since,as為從屬連詞,引導原因狀語從句;for為并列連詞,連接兩個并列句。①Because“因為",表示直接原因,回答why的提問,一般放在主句之后,可單獨存在。e.g.Whydon'tyoubuyit?為什么你不買它?BecauseIdon'thaveenoughmoneywithme.因為我沒有帶足夠的錢。Westayedathomebecauseitrained.下雨了,所以我們待在家里。②since“因為,既然”,側(cè)重主句,從句表示顯然的或已知的理由。e.g.Sinceeveryoneishere,let'sbegin.既然大家都到齊了,我們開始吧。③as“由于,鑒于”,主從句并重,從句說明原因,主句說明結(jié)果,為常用詞。e.g.Asitwaslate,Imusthurryup.由于晚了,我得快點。④for“因為,由于”,表明附加或推斷的理由,其前常有逗號,for及其后的句子不放在句首。e.g.Hemustbeill,forheisn'theretoday.他一定是病了,因為今天他沒來。【友情提示】“因為……所以”的英漢不同習慣:because和so與although和but用法相同,都不可連在一起使用,只能用其中一個,這一點和漢語不同,使用時一定要注意兩種語言的不同習慣。因為他病了,所以他沒來上學。[誤]Becausehewasill,sohedidn'tetoschool.[正]Becausehewasill,hedidn'tetoschool.[正]Hewasill,sohedidn'tetoschool.(2)makeit+adj.+todosth.使得做某事變得……e.g.Theelectronicdictionarymakesitquickertolookupanewword.電子詞典使我們查閱生詞更迅速。2.Abacusesaresofastandaccuratethatpeoplestillusethemtoday.算盤(計算起來)是如此的快速和精確,因此人們至今還在使用它們。so…that…“如此……以至于”,引導結(jié)果狀語從句,so后接形容詞或副詞,that后面接從句。e.g.TheboxissoheavythatIcan'tcarryit.這個箱子如此的重以至于我抬不動它。Herunssofastthathisclassmatescan'tcatchupwithhim.他跑得如此快以至于他的同學都趕不上他?!居亚樘崾尽慨攖hat后面的從句為否定句時,可以用too…to改寫為簡單句,當that后面的從句為肯定句時,可以用enoughto改寫為簡單句。e.g.Heissoyoungthathecan'tgotoschool.=Heistooyoungtogotoschool.他太小了,還不能去上學。Heissotallthathecanreachtheapplesonthetree.=Heistallenoughtoreachtheapplesonthetree.他很高能夠得到樹上的蘋果。so后面有單數(shù)名詞時可用such...that…進行改寫。e.g.Heissotallamanthathecanalmostreachtheceiling.=Heissuchatallmanthathecanalmostreachtheceiling.他個子這么高,幾乎夠得著天花板?!局R拓展】sothat的用法(1)sothat以便;目的是。引導目的狀語從句e.g.Ourteacherspokeloudlysothateveryonecouldhearhim.我們的老師大聲講課以便每個人都能聽到。Sothat常與may,can等詞連用,從句前無逗號。e.g.IhiredaboatsothatIcouldgofishing.我租了一條船,為的是可以去釣魚。Heworkedhardinorderthat/sothathecouldsucceed.=Heworkedhardinorderto/soastosucceed.他努力工作,為的是成功。(2)sothat還可引導結(jié)果狀語從句,從句前可用逗號與主句隔開,意為“因為”。e.g.Thebusbrokedown,sothatwehadtowalk.公共汽車拋錨了,因此我們必須步行。3.Isahumanbrainamorepowerfulcalculatorthanaputer?人腦是比計算機更強大的計算器嗎?(1)more+adj.+than…e.g.Isthissnakemoredangerousthanthatone?這條蛇比那一條更危險嗎?(2)more+n.+than…e.g.TherearemorestudentsinClass3thanthoseinClass2.三班的學生比二班的多。4.Ifitisnotpowerfulenough,youwillfindtheansweronpage67.如果它(你的大腦)不夠強大的話,請看第67頁上的答案。主句為一般將來時,以if引導的條件狀語從句,則用一般現(xiàn)在時。e.g.IfIamfreetomorrow,Iwillseemyuncle.如果明天我有空,我要去看我叔叔。Ifitdoesn’train,wewillgoswimming.如果不下雨,我們將去游泳。PracticePractice一、閱讀單選Bigdata(數(shù)據(jù))isalotofsetsofinformationthatareputtogethersotheycanbeusedbyaputerprogram.Theputerprogramlooksfordifferentkindsofpatternsinthedata.Bigdataincludesinformationcollectedfrommanysources(來源),suchasinformationfromschools,socialmediasite,paniesandgovernments.Onesetofdatamayincludepeople’snamesandaddresses.Anothersetcanhavewhattheylike,wheretheygotoschool,andhowmuchtimetheyspendontheputer.Bigdatacanbeusedinmanyways.Thegovernmentusesittounderstandhowmanypeopletravelonbusesortrains.Thisinformationisthenusedtomakebusortrainsystemsbetter.Someschoolsusebigdatatounderstandwhichchildrenmayneedextrahelpinclass.Theteachercanthengivecertainstudentsmorehelporsupportsotheycansucceedinschool.paniesusebigdata,too.Ithelpsthemunderstandwhobuystheirproducts.Forexample,onepanyusesweatherdatatoseewhenpeopleeatthemosticecream.Bigdatacanbeusedforgoodreasons.Somehospitalsusebigdatatopredict(預測)ifababywhoisborntooearlywillgetsick.Thehospitalcanthentakeextrastepstotakecareofthatbabysoheorshedoesnotgetsick.Bigdatacanalsobeusedforbadreasons.Itcanbeusedtopredictwhichkindsofpeoplearelikelytobreakthelaworhurtothers,eveniftheyhavenotdoneanythingwrongyet.Howcanbigdatabeusedbothforgoodandbadthings?Itisbecausetheputerprogramsarewrittenbypeople.Howpeoplethinkwilldecidehowtheyusethedate.Peoplethinkinacertainwayandtheybuildmodelsbasedontheirideas.Thesemodelswilldecidehowputerprogramslookatthedata.Goodideasarehelpfulforpeopleandbusinesseswhilebadideascancauseproblemsforcertaingroupsofpeople.1.Whatkindofinformationmaybeincludedinbigdata?①people’snames

②people’saddresses

③people’shobbies④people’sschools

⑤people’sshoppinghabits

⑥people’stravellinghabitsA.①②③ B.①②③④ C.①②③⑤⑥ D.①②③④⑤⑥2.HowdoesthewritershowhisideasinParagraph2?A.Byshowingnumbers. B.Bygivingexamples.C.Bytellingstories. D.Bymakingparisons.3.Whatdoestheunderlined“they”inParagraph3referto?A.Studentsatschool B.StudentswhoneedmorehelpthanothersC.Teacherswhogivesupporttostudents D.Childrenwhosucceedinschool4.Whycanbigdatabeusedforbothgoodandbadreasons?A.Becausebigdatacanhelptakecareofbabiesaswellaspredictwhoisgoingtohurtothers.B.Becausesomeprogramsaregoodforpeoplewhilesomearebad.C.Becausetheinformationincludedinbigdataesfromdifferentplaces.D.Becausethepeoplewhowriteputerprogramshavedifferentwaysofthinking.5.Whatisthebesttitleforthepassage?A.Bigdata,goodorbad? B.FactsaboutbigdataC.Bigdata—besthelper D.Peoplebehindbigdata二、完形填空Fromthefirstdaythatmenbegantostudynumbersindailylife,somenumbershavebeenthoughttobelucky,whileothersareconsideredunlucky.Andit’snotjustWesternculturethathasdonethis.CulturesinJapan,China,India,andAfricahavedonethesamething,butfordifferentreasons.Let’stakealookatsomemonlyknownluckyandunluckynumberstoseewhytheyarelovedorhated.Everyoneknowsthat“7”islucky.But6?Therootofmostluckynumberscanbefoundinreligion.God,forexample,issaidtohavecreatedtheworldin7days.Untilthe1800s,thereweresevenknownplanetsinthesolarsystem(太陽系).Seveniseventheusualnumberofspotsonaladybugandladybugsareconsideredgoodluckthemselves.“4”meansbadluckinAsia.Forexample,the7of“4”inChineseisverysimilartotheword“death”.Andbecauseofthis,“4”hasbeenconsideredbadluckinChina.“666”isa8number.ItisextremelybadluckinWesternculturebutverygoodluckinmanyAsiancountries.9theChristianBible(圣經(jīng)),thenumber666meansSatan(撒旦,魔鬼).ItmightbethemostavoidednumberinWesternculture.Forexample,thereusedtobeUSHighway666inNewMexico,butin2003itwaschangedtoUSHighway491becausethegovernmentwasafraidthatthenumberwouldscaretouristsaway.AnotherexampleisthatRonaldReagan,40thPresidentoftheUnitedStates,changedthe10666St.CloudRoad,BelAirto668St.CloudRoad,BelAirbeforemovingin.ButinAsia,peoplelove“666”becauseit11“thingsgoingsmoothly”,andisconsideredtobeverylucky.6.A.when B.how C.why D.where7.A.meaning B.pronunciation C.spelling D.writing8.A.different B.boring C.difficult D.interesting9.A.Becauseof B.Accordingto C.Thanksto D.Withthehelpof10.A.a(chǎn)ddress B.road C.phonenumber D.location11.A.soundslike B.lookslike C.feelslike D.seemslike三、短文首字母填空閱讀短文,根據(jù)短文內(nèi)容及首字母提示,在空白處填入一個適當?shù)膯卧~。TheputerandtheInternethavebeepartofteens’life.ThenumberofteenInternetusersinChinaisgrowingb12,upto253million.Thenumbershowsagreatincrease(增長)inInternetusersinChinao13thepastfewyears,especiallyamongteenagers.AndChinabeesalargemarketforInternetb14.Anewsurvey(調(diào)查)showsthatChineseteensshowgreati15inonlineactivities.Theyseemnottoknowthats16toomuchtimebeforeaputerscreenisbadfortheirhealth.Accordingtothesurvey,42.6%ofteenshavebuilttheiro17webblogs.Morethanhalfenjoyc18onlinewithfriendsand10.6%ofteensplayInternetgames.Itisap19thatonly6%usetheInternettogetinformationfortheirlearningprojects!Also,thesurveyfindsthattheteenshavedifferen

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