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1、NotesforGrammarofUnit4短語(yǔ):1.Numbers(1)zero零(2)oddnumbers奇數(shù)e.g.1,3,13,99(3)evennumbers偶數(shù)e.g.2,8,22,302(4)numbersshowingdegrees讀法:數(shù)朗讀+degree(s)度數(shù)e.g.100onehundreddegrees38Cthirty-eightdegreesCelsius/centigradedecimalnumbers小數(shù)讀法:小數(shù)點(diǎn)讀成point;小數(shù)點(diǎn)前“整數(shù)”朗讀;小數(shù)點(diǎn)后逐個(gè)數(shù)朗讀。e.g.37.52thirty-sevenpointfivetwopercentage
2、s百分?jǐn)?shù)讀法:數(shù)朗讀+percent(percent不能夠加s)e.g.19%nineteenpercent19.21%nineteenpointtwoonepercentfractions分?jǐn)?shù)讀法:分子讀成“基數(shù)詞”,分母讀成“序數(shù)詞”;整數(shù)和分?jǐn)?shù)之間朗讀加and。書(shū)寫(xiě):分子分母之間使用“連詞符號(hào)hyphen-,分子大于1時(shí)分母加s。e.g.2/3two-thirds61/2sixandahalf注意:百分?jǐn)?shù)和分?jǐn)?shù)的數(shù)量判斷:可單的百分之幾或幾分之幾,仍做可單;e.g.60percent/three-fifthsoftherailwayhasbeenbuilt.可復(fù)的百分之幾或幾分之幾,仍做
3、復(fù)數(shù);e.g.60percent/three-fifthsofthestudentsinourschoolhavecomputers.不可數(shù)的百分之幾或幾分之幾,仍做不可數(shù)。e.g.60percent/three-fifthsofthewaterinthelakeisfromthemountain.Cardinalnumbers基數(shù)詞和Ordinalnumbers序數(shù)詞cardinalordinalcardinalordinalcardinalordinalonefirsttwosecondthreethirdfivefiftheighteighthnineninthtwelvetwelfth
4、fourteenfourteenthtwenty-onetwenty-firstthirtythirtiethhundredhundredththousandthousandthmillionmillionth注意:(1)序數(shù)詞前面通常要有the/ones;序數(shù)詞+Street等構(gòu)成街名前不要the,如:NinthStreet九號(hào)街;基數(shù)詞與序數(shù)詞排序表達(dá):首字母大寫(xiě)的名詞+基數(shù)詞e.g.LessonOne=the+序數(shù)詞+名詞thefirstlesson在表達(dá)動(dòng)作的順序(sequence)或步驟時(shí),有時(shí)會(huì)使用到序數(shù)詞+ly:如:First(ly),Secondly,Thirdly,2.祈使句
5、(Imperatives):沒(méi)有主語(yǔ)只有動(dòng)詞原形的句子。功能:表示指示(instructions)命令(orders)建議(advice/suggestions)等。書(shū)寫(xiě):(1)肯定祈使句:動(dòng)詞原形開(kāi)頭。否定祈使句:dont+動(dòng)詞原形開(kāi)頭.(be開(kāi)頭的祈使句否定也是使用dontbe)有時(shí)候?yàn)榱吮磉_(dá)較委婉或較禮貌,在句首加上“Please”或句末加上“,please”。另外,祈使句句首或句末還可以出現(xiàn)人名或稱呼語(yǔ),往往都用“,”和祈使句隔開(kāi)。各種情況的例子:Turnleft.(2)Dontbelate.Pleaseopenthedoor./Openthedoor,please.Jack,puto
6、nthecoat./Putonthecoat,Jack.Mike,pleasehelpmewithmymaths./Mike,helpmewithmymaths,please.注意比較以下兩句書(shū)寫(xiě)的區(qū)別:(1)祈使句:Ben,dontplayinthestreet.(2)陳述句:Bendoesntplayinthestreet.3-Ixm=Imperatives給出計(jì)算InstructionsStatements表達(dá)計(jì)算過(guò)程與結(jié)果3+9(=12)Add3and93plus9equals/is129_3(=6)Subtract3from9.9minus3equals/is6或者3subtract
7、edfrom9equals/is6.3X9(=27)Multiply3by93multipliedby9equals/is27.或者3times9equals/is27.9壬3(=3)Divide9by3.9dividedby3equals/is3.NotesforReadingofUnit4Numbers:everyoneslanguage.Howmanylanguagesdoyouknow?Everyoneknowsatleasttwo一hisorherownlanguageandtheinternationallanguageofnumbers(1)Indefinitepronoun不定
8、代詞everyone(人人、大家、各位)=everybodyeverything(切)everywhere(至V處、處處)somebody(某人)=someonesomething(某事/某物)somewhere(某處)anybody=anyoneanythinganywhere(sb否定和一疑中;任何人)(sth否定和一疑中;任何事)(somewhere否定和一疑中;任何地方)nobody=noone(沒(méi)有人)nothing(沒(méi)有事)nowhere(哪里都不)本文中另一句含不定代詞的句子:NoonehadtoprogramShakuntala.注意:形容詞修飾不定代詞,形容詞放在不定代詞之后
9、。egsomethingstrange某個(gè)奇怪的物體“不定代詞”沒(méi)有復(fù)數(shù),只看做單數(shù)。everyone(只能指人)(不可以+of)分開(kāi)書(shū)寫(xiě)的everyone(既指人,又指事物)+of+n(復(fù))+單vegEveryoneishere.EveryoneofhisbooksisveryinterestingEveryoneofthemisfriendly區(qū)別every與each(every3每個(gè),強(qiáng)調(diào)整體概念)every(adj)一定要+單n+單v(eachM2每一個(gè),強(qiáng)調(diào)個(gè)體)each(作adj)+單n+單vEachstudentishere(作n)+單vEachissingingasong(作p
10、ron)+of+復(fù)n+單vEachofusisastudent.注:every+數(shù)詞+復(fù)數(shù)名詞egeverythreehours每隔三小時(shí)(提問(wèn)用:Howoften)(2)language(可數(shù)名詞)語(yǔ)言speakthreelanguages/speakaninternationallanguagespeakEnglish,Chinese,French,German,Japanese,Indian,Arabic(3)atleast+數(shù)詞(至少)atmost+數(shù)詞(至多)(4)own(adj)自己的;(v)擁有9owner(n)主人(5)international(adj.)國(guó)際的9nation
11、(n)民族;國(guó)家9national(adj.)民族的;國(guó)家的(6)know一knew一known知道;認(rèn)識(shí);knowabout了解2Inancienttimes,peoplewrotenumbersinmanydifferentways,asthesepicturesofthenumber6show(1)ancient(adj)古時(shí)候的time的用法:時(shí)間,時(shí)刻(可數(shù))egCanyoutellmethetimesofthetrains?Whatisthetime?時(shí)光(不可數(shù)):e.g.freetime空閑時(shí)光次數(shù)(可數(shù)):egIphonehimthreetimesaweek.時(shí)代,時(shí)候(常用
12、復(fù)數(shù)):e.g.inancienttimes在古代times乘(prep.)=multipliedby:e.g.Threetimesfouristwelve.writewrotewrittenwriting9writer(n.)作家inmanydifferentways用不同的方式show一showed一shownshowsb.sth.=showsth.tosb.將給某人看showsb.aroundsp.=takesb.tovisitsp.帶領(lǐng)某人參觀某地as用法:(prep.介詞)作為(區(qū)別:介詞like:像)e.g.Asastudent,作為一名學(xué)生,workas=be干工作(conj.連
13、詞,可放在句首,也可放在句中。)當(dāng)時(shí)侯=when(U4:Aswegotoff,wesawthetwowomentouristsandfourpolicemenstandingaroundthemanandlookedworried.)正如(一樣);如同(一樣)(本句中用法)egAsweallknow,ChinaisanAsiancountry.(m)因?yàn)?since(常引導(dǎo)一般性的原因,而because引導(dǎo)必不可少的原因)e.g.Myfamilyhasapetdogasmygrandmalikesit.3However,theynearlyallcountedinthesameway-inte
14、ns.however(adv.)然而,但是,可是(在使用時(shí),however后一定有“,”)But(adv.)但是(放在句首時(shí)直接使用;放在句中時(shí),前面加“,”和主句隔開(kāi)。)nearly(adv.)幾乎;差不多(近義)=almostnearly和almost的區(qū)別:肯定句中常可以換用。否定句中,常用almoste.g.almostnot=hardly但是notnearly習(xí)語(yǔ):遠(yuǎn)不及,離很遠(yuǎn)count(v.)數(shù)9countable(adj.)可數(shù)的uncountable(adj.)不可數(shù)的9counter(n.)柜臺(tái)9account(n.)賬單;賬戶9accountant(n.)會(huì)計(jì)inthes
15、ameway用同樣的方式indifferentways用不同的方式inthisway用這種方式onthewaytosp(地點(diǎn)名詞)在去/通往途中/路上bytheway,順便說(shuō)一下;順便問(wèn)一下intheway擋道intens十個(gè)十個(gè)地;用十(計(jì)數(shù));十進(jìn)制4.本課含有“with”的句子:Mostofususethesystemofnumberswithnumbersfrom1to9and0(zero)eWiththesetennumbers,wecanwriteanynumberfromthebiggesttothesmallestfHowever,somehadtofirstprogramth
16、ecomputerwithinstructions,andthattookmanyhours.這三句中的“with”都是“用”,一般放在具體的東西或工具之前,e.g.withapen;withaknife;withatool區(qū)別:by+交通/運(yùn)輸方式名詞e.g.bycar/bicycle/motorcycle/train/underground/plane/air/ship/seain+語(yǔ)言/服飾(或顏色)e.g.inEnglish;inred/inaT-shirtincash用現(xiàn)金inpencil用鉛筆inalow/highvoice低聲地/高聲地anynumber任何數(shù)字any用法:一些+
17、可復(fù)/不可數(shù)(some在“否定句/一般疑問(wèn)句”中改寫(xiě)的形式)任何(一個(gè))+可單(本課句中用法)短語(yǔ):anyother+可單別的/其他的任何一個(gè)(使用在在同一個(gè)范疇內(nèi))e.g.ChinaisbiggerthananyothercountryinAsia.=ChinaisthebiggestcountryinAsia.(中國(guó)在和亞洲這同一范疇內(nèi)的其它國(guó)家在比,所以要加上other。)(3)不得不去做某事havetodosth.hastodosth.hadtodosth.另外,9(否定)不必去做某事9(否定)donthavetodosth.=dontneedtodo9(否定)doesnthaveto
18、dosth.=doesntneedtodo9(否定)didnthavetodosth.=didntneedtodo以上三個(gè)否定都可以=gram=programme)給編程(n)程序;節(jié)目(可數(shù)名詞)instruction(n.)指令;使用說(shuō)明instructionsigns說(shuō)明(用法的)標(biāo)志9instruct(v.)命令;指導(dǎo)system(n)系統(tǒng)thesolarsystem太陽(yáng)系TheIndiansfirstinventedanddevelopedthe1to9systemofnumbers.Theytheninventedthezero.Indian(n.)印
19、第安人;印度人9(pl.)Indians(n.)印度語(yǔ)(adj)印度的(國(guó)籍);印度人的;印度語(yǔ)的9India(n.)印度(國(guó)家)invent(v.)發(fā)明區(qū)別:discover(v.)發(fā)現(xiàn)9invention(n.)發(fā)明發(fā)明物(可數(shù))9(pl.)inventions9inventor(n.)發(fā)明家短語(yǔ):invent+the+具體的一項(xiàng)發(fā)明develop-developed-developed(v.)發(fā)展;開(kāi)發(fā);壯大;沖洗(膠卷film)e.g.developatasteof培養(yǎng)鑒賞力9development(n.)發(fā)展;壯大withthedevelopmentof隨著的發(fā)展9developed
20、(adj.)發(fā)達(dá)的developing(adj.)發(fā)展中的Thiswasaveryimportantinventionbecauseitmadeiteasiertowritebignumbersandtocalculate.averyimportantinvention一項(xiàng)非常重要的發(fā)明animportantinvention(注意不定冠詞的正確使用)句中兩個(gè)“it:前面一個(gè)“it”指“theinventionzero”;后面一個(gè)“it是“形式賓語(yǔ),真賓語(yǔ)是不定式“towritebignumbersandtocalculate,這里還是短語(yǔ):“make+賓語(yǔ)+形容詞(賓補(bǔ))”。(同時(shí)復(fù)習(xí)使役動(dòng)
21、詞makesb.dosth.)另外,“it”作“形式主語(yǔ)的例子:IttakessbsometimetodosthIt+adj.+todosth(不定式todost作真主語(yǔ)。)Oneofthefirstcalculatingmachineswasanabacus.Amodernelectroniccalculatorcanadd,subtract,multiplyanddivide.Itcanalsocalculatepercentagesandsquareroots.Inaflash,acomputercandoacalculationthatyoucouldnotdoinyourwholel
22、ifetime.以上四句話中將“計(jì)算”詞匯形式全部包括:calculate(v.)計(jì)算9calculation(可數(shù)n.)計(jì)算9calculator(可數(shù)n.)計(jì)算器9calculating(現(xiàn)在分詞作形容詞)計(jì)算的;有心計(jì)的oneof+可復(fù)modern拼寫(xiě)注意前面是o,不是or。modern一moremodern一(the)mostmodernelectronic(adj.)電子的anelectronicdictionary一本電子詞典e-mail中e=electronic9electron電子比較:electricity(n.)電9electric(adj.)(用)電的anelectric
23、kettle一個(gè)電水壺第四句中劃線部分是“that引導(dǎo)的定語(yǔ)從句”修飾“calculation”.這里的could不是過(guò)去式,而是表示“推測(cè)”,其可能性極其的小。whole(adj&n)整個(gè)的;整體,常放在冠詞或ones之后。9(特殊的副詞形式)wholly完全地;全部地比較:all(adj.&pron&adv.)所有,做adj.常放在the/ones之前。lifetime(n.)一生;終身inoneslifetime在某人一生中=inoneslife;alloneslifeinaflash=veryquickly立刻;一瞬間;非常非??靝ercentage(可數(shù)n.)百分?jǐn)?shù);百分比;百分率9
24、percent(n&adj)百分之一;百分之20%=20percentthesquarerootof的平方根thecubicrootof的立方根8Abacusesaresofastandaccuratethatpeoplestillusethemtodayaccurate(adj)精確的;準(zhǔn)確的;精密的(反義inaccurate)9accurately(adv)(2)結(jié)果狀語(yǔ)從句:如此以至于so+adj./adv.+that一從句such+中心詞是名詞(名詞前可能有修飾詞語(yǔ))+that-從句句型改寫(xiě):egJackissocleverthathehassolvedthatproblem.=Jac
25、kiscleverenoughtosolvethatproblem.ThisboxissoheavythatIcantcarryitalone.=Thisboxistooheavyformetocarry.Thisboxisnotlightenoughformetocarry.Computersareverypowerfulcalculatingmachines.Acomputercandoacalculationthatyoucouldntdoinyourwholelifetime.這兩句中“復(fù)數(shù)computers”和“acomputer”都是表示“一類,意思都是“電腦”。powerful(
26、adj.)很有效的;強(qiáng)而有力的;強(qiáng)大的=verystrong9power(n.)力量;能力;實(shí)力;動(dòng)力;電力等等Bainagainstcomputeragainst(prep.)(1)(表示方向)與方向相反,逆著,迎著,頂著e.g.Tomisridingagainstthewind.(表示方位)緊靠著,倚靠著e.g.Mr.Smithisstandingagainsttheblackboard.(表示對(duì)象)違反,違背Thatsagainstthelaw(法律).(表示態(tài)度)反對(duì),反抗Letsfightagainstthepollution.Manypeopleareagainsttheplan.
27、防止;預(yù)防Hehashadaninjection(打針)againstthedisease/illness/theH1N1fu與對(duì)著;與對(duì)立Theyplayedafootballmatchagainstateamfromanothervillage.以兌換,以交換e.g.Whatstherateofexchangeagainstthedollar?11Somepeoplecallthebrainalivingcomputercall(帶雙賓語(yǔ)結(jié)構(gòu))call+間接賓語(yǔ)(thebrain)+直接賓語(yǔ)(alivingcomputer)9(被動(dòng))Thebrainiscalledalivingcompu
28、terbysomepeople*living(adj)有生命的;在世的;活的(只做定語(yǔ))e.g.alivinganimalthefinestlivingpianist(n)生計(jì);生存之道egmakealiving謀生Mikealwayscatchesfishforalivingalive(adj)活著的(做表語(yǔ)或賓補(bǔ))e.g.Heisalive(表語(yǔ))Thehopekeepshimalive(賓補(bǔ))livelyadj活潑的,生動(dòng)的e.g.alivelychildTeachersmaketheirlessonslivelyinmanydifferentways9live(v)居住Welivein
29、Shanghai活;生存livetotheold/Liveandlearn活到老學(xué)到老。/過(guò);生活liveahappy/peacefullife(adj)活的(作定語(yǔ))eglivefish活魚(yú)現(xiàn)場(chǎng)直播的;實(shí)況轉(zhuǎn)播的9life9(復(fù)數(shù))lives生命;生活12Isahumanbrainamorepowerfulcalculatorthanacomputer?這句話中的“ahumanbrain”和“acomputer”都是表示“一類”概念。human(adj)人的;人類的(本句用法)(2)(n)人;人類9(pl復(fù)數(shù))humans(類似Germans;Romans變形)9humanbeing人類9(
30、pl復(fù)數(shù))humanbeings13Thefollowingstorymaygiveananswerfollowing(adj)以下的;下列的;接著的9follow(v)=goafter跟隨.follower(n.)追隨者;擁護(hù)者may(情態(tài)動(dòng)詞)+V原型可能;也許giveananswertothequestion/problemShakuntalasbraintookfiftysecondstofindtheanswer,likelightning.Thecomputertookaminutethattookmanyhours.這三句話中都有“took(花費(fèi)時(shí)間),他們的主語(yǔ)都是“事物sth
31、”。take-took-taken句型Ittakessomebodysometimetodo.Sth.takes+sometometodolikelightning=veryquickly;rapidly閃電般地;飛快地lightningandthunder電閃雷鳴Lightningcomesoutwiththunder.雷隨閃電而來(lái)。Mydaughterisafraidoflightningandthunder.fiftyseconds50秒鐘Useyourownlivingcomputertosolvetheproblemabove.usetodo用去做Useyourhead!動(dòng)動(dòng)腦筋!s
32、olve(v.)解決;解答=workout;findananswerto9solution(n.)解決;解答;答案;謎底=answer/keya(n)/thesolution/answer/keyto一個(gè)的答案/解答/謎底above(prep.&adv.)在()上面;在()較高處abovetheblackboard在黑板的上方9(反義)below在()下面Ifitisnotpowerfulenough,youwillfindtheansweronPage67.notpowerfulenough不是足夠有能力的enough修飾“形容詞/副詞”放在“形/副詞”之后;修飾“名詞”放在“名詞”之前。另
33、外,enough單獨(dú)使用作“代詞”,替代“可復(fù)”(謂語(yǔ)用復(fù)),或替代“不可數(shù)”(謂語(yǔ)用單)。if用法:如果;假如引導(dǎo)的“條件狀語(yǔ)從句”,可以放在主句前也可以放在主句后。注意:在“條件句”的動(dòng)作發(fā)生時(shí)主句動(dòng)作勢(shì)必會(huì)發(fā)生,通常同時(shí)用“一現(xiàn)”。e.g.IfthetemperaturerisestoiooC,waterboils.在“條件句”的動(dòng)作只是可能發(fā)生時(shí),主句動(dòng)作也隨之可能發(fā)生,則時(shí)態(tài)使用“主一將,從一現(xiàn)”。e.g.Ifitisfinetomorrow,wewillhaveanautumnouting.是否=whether引導(dǎo)“一般疑問(wèn)句”作“賓語(yǔ)從句”。egMsSmithaskedme,“D
34、oyoulikeeatingsushi?”9MsSmithaskedmeifIlikedeatingsushi.especially(adv.)尤其是;特別是比較:specially(adv.)專門(mén)地;特別地9special(adj)專門(mén)的;特別的amazing(adj.)=verysurprising令人吃驚的;令人驚奇的9amazed(adj.)=verysurprised(感到)吃驚的;(感到)驚奇的9amaze(v)=surpriseverymuch使吃驚/驚奇9amazement(n.)=greatsurprise吃驚;驚奇Toonesamazement/greatsurprise,
35、使某人大為驚奇的是complete(v.)完成(adj)完整的9incomplete(adj.)不完整的Unit4PhrasesNotesdividebydivideintodividefromdividebetween(among)dividedbyadoctors(masters)degreedoacalculationelectroniccalculatorinacalculationahumanbrainanofficiallanguagespoken(oral)languagewrittenlanguagenative(foreign)languagealmostnooneItisn
36、otnearlysoprettyasitwasbefore.thesystemofnumberstherailwaysystemthesolarsystemadeveloped(developing)countrythedevelopmentofindustry(工業(yè))subtractfromaddandmultiplybymultipliedby=timessquare(cubic)root19.inaflash=inaveryshorttime=veryquicklyasawholeonthewhole21.inoneslifetime(life)22.amatchagainstAandB
37、beagainsttheplanagainstthedisease(疾病)putagainstthewall23.livingthingsaliveshow;alivefishbealivetheliving(dead)動(dòng)詞用復(fù)數(shù)ahumanbeinghumanbeings(humans)thehumanracebeamazed(amused)atfeelamazed(amused)beamazed(amused)todotoonessurprise(amazement/amusement)keepsb.amusedsolve(workout)theproblemsolvethecase28.
38、likelightning=veryquickly不定代詞(any-,no-,some-,every-)+u.(單)atleast(most)speakaninternationallanguage32.threetimesasbigasinShakespeares(莎士比亞)times33.in+(way)用的方式likereading,asyoulikepainting.nearly=almosthardlyany+n.(單)一3個(gè)anyother(another)+n.(單)theIndians/Chinese/.+v.(pl.)finditeasytogetonwithhermakes
39、th./sb.+adj./sth./doso.that.cant/couldnt=not.enough(forsb.)todo=too.(forsb.)todoso.that.can/could=.enough(forsb.)todoDoacalculationthat(which)youcouldnotdoinyouwholelifetime.giveananswertotheproblemanamazingspeed46.Ittakes(took)sb.sometimetodosth.take(s)/tooksometimetodoEnoughhasbeensaidonthissubjec
40、t.Howaboutsomerice?No,thanks.Ihaveenough.partoftakepartindoonespartplayapartinwiththedevelopmentofanoddnumber,anevennumberplus,minus,times(multipliedby),dividedby1-one-half234-threequarters/three-fourths6I7-oneandsix-seventhstensof,hundredsof,thousandsof,tensofthousandsof,國(guó)家人(復(fù))國(guó)籍/語(yǔ)言ChinaChineseChin
41、eseJapanJapaneseJapaneseBritainBritishBritish(English)AmericaAmerican(s)American(English)AustraliaAustralian(s)Australian(English)CanadaCanadian(s)Canadian(English)IndiaIndian(s)Indian(/)ItalyItalian(s)ItalianEnglandEnglishman(men)EnglishFranceFrenchman(men)FrenchGermanyGerman(s)GermanRussiaRussian(
42、s)RussianGreeceGreek(s)GreekRomeRoman(s)RomanEgyptEgyptian(s)EgyptianEuropeEuropean(s)European)sellwellHowmuch(What)is3plusnine(doesequal)?國(guó)家名稱表:57.consistof=hreeyearsthreeyearslaterbelaunchedinlateOctober,2007searchforatouristattractionworksofartremind
43、ofputupaniceChinesepaintingputoutfiresputoffthemeetingWedonthavetocleanthehouseeverywhere.bebusywith/doingbebusyrenovatingthenewclassroombuildingthesedayssince=nowthatgivemeahand=helpmethebadserviceoftherestauranttaxi(telephone)servicesChinesetraditionalfestivalssmokedfishWecanlearnEnglishinmanydiff
44、erentways.againsttime爭(zhēng)分奪秒brainpower腦力controlpower控制力inpower當(dāng)權(quán)checkon檢查checkin記錄abankcheck銀行支票ablankcheck空白支票electriccooker(light,)electricalwires(appliances,engineers.)electronicdictionary(calculator,)Readinganespeciallyimportantnumberanimportantpartofyourbodytheinternationallanguageofnumbers84.inancienttimes85.inmanydifferent(same)enswriteanynumberfromthebiggesttothesmallestItmakesiteasiertowritebignumbersandtocalculate.calculatingmachinesanabacus(es)sofastandaccuratethat.modernelectroniccalculatorcalculatepercentagesandsquarerootsdoacalculation95.inyourwhol
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