41.Mg2的精選

問題詳情：41．(4分)閱讀下列材料，回答問題。材料一 Mg2＋是葉綠素分子必需的成分；Fe2＋是血紅蛋白的主要成分；碳*鈣是動物和人體的骨骼和牙齒中的重要成分。材料二 初生蝌蚪或幼小植物體內自由水比例減少時，機體代謝強度降低、...

問題詳情：41.TheforeignerscametoChinainordertolearnChinesea_________（農業的）skills.42.Mexicogaineditsi_________（*）fromSpainin1821.43.Thenewbuildingdestroytheb_________（美麗）ofthecountryside.studentsmusta_____...

問題詳情：ItwasverylatewhenIgotoutofthecinema.Bythetimethe  41   ended,itwas1a.m.Iwalkedtomy car whichwas   42   acrossthestreet.WhenIarrived,Inoticedsomething 43 ──thedoorswere unlock...

問題詳情：studentsinChinacan’tspeakEnglish_____________(fluent).42._____________(determine)tomakehisdreamcometrue,hewenttoBeijingforfurtherstudy.problemisfarfrom___________(settle),sowewillhavetodiscus...

問題詳情：41.When___________(explore)thecave,theyfoundavaluablemineral.42.I’llgivetheticketsto________wantsit.43.eisthefirstperson_________(arrive)andhewillarriveatthreethisafternoon.44.Theoldcoupleoft...

問題詳情：Fastfoodisbecomingmoreand 41  _____ popularinChina,especiallyamongchildrenandteenagers.Thereareseveralexplanationsfor itspopularity.First,itisveryconvenientand42            a...

問題詳情：41.Wecametoknoweachotheralongtime_________.42.Children__________6mustvisitthemuseumtogetherwiththeirparents.43.Hegavehersomerosesinreturn__________herkindness.44.Wehaven'tdiscussedthematter__...

問題詳情：NewYear’sDaywascoming.MymotherandIdecidedtovisitmy  41 nWales.Whentravelingthroughahighway,wefelt  42 andwereeagertoeat.Wenoticedaroadsign  43 toatowncalledBend.Thinkingthatwemightbu...

問題詳情：ChristopherReeve, 41__wasborninSeptember,1952,wasinhisfirstschoolplay 42__hewaseightandhestartedtoactinTVshowsandfilmswhilehewasstillincollege.Hemademany____43___(success)filmsandTVshowsbuth...

問題詳情：Britishpeopleareworkingtoanolderage.41._____numberofworking70-74-year-oldshasdoubledinrecentyears.Around10%ofpeoplein42.______(they)early70snowwork.Thisisthe43.______(high)figureonrecord.Animp...

問題詳情：PersonallyIthinktrainsareexcitingandromantic.Imust  41  thattrainsarenotimportantmeansoftransportationintheUS,butIdohavesome  42  withthem.WhenIwasachild,growingupinasmalltownwithveryl...

問題詳情：Computergamesarepopularallaroundtheworld.Manypeople  41   thesegamesontheInternet.Gameslookmoreandmore  42   ascomputertechnologyimproves.Manypeopledescribeplayingcomputergamesas  ...

問題詳情：AtanairportIoverheardafatheranddaughterduringtheir  41  momentstogether.Her  42  wasreadyforboarding.Theyhuggedandhesaid,“Iloveyou.Iwishyou  43 ”Sheinturnsaid，“Daddy,Iwishyouenoug...

問題詳情：ItwasacoolOctoberevening.Excitementandfamilymembers  41  thehall.Iwasonlya7-year-oldgirl,butIwasthecenterof  42 .Finally,afterweeksofpreparation,Iwould  43  allmyhardworkinadanceper...

問題詳情：Acceptlifeasitis.Ilearnedhowtodoitfrommyfather. 41_,hedidnotteachmeacceptancewhenhewasstrongandhealthy,butratherwhenhewas 42  andill.Myfatherwas 43_astrongmanwholovedbeingactive,butaterri...

問題詳情：Iwaslookingthroughsomeoldphotoalbumstheotherday.Ihad 41  donethatmanytimesbeforebutIfeltasudden 42  toseethemagain.Ifoundmyself 43  somanybeautifulmemoriesfrommychildhood.Therewasmyde...

問題詳情：theprinceandtheprincesslived______(和平地)together.42.Movingtoanewhouseisavery_________(緊張的）experience.43.Hec_____(抱怨)thatnothingcameoutthewayhehadexpected.44.Suddenlyhereceivedan_____(緊...

問題詳情：I’vedreamedofbecomingawritersinceIwasateenager.But  41  isn’teasytogetabookofminepublished.  42  I’vetriedhard,noneofmybookshavebeenpublished.Thisisreally  43  (upset).Thismorni...

問題詳情：41.Stayingupforplayingcomputergamesis_________(harm)tochildren’health.                           42.TheUSisChina’sbiggestexportmarket,___________(account)formoreth...

問題詳情：   LongagotherewasapoorfarmerinRussia.Hehadbeenvery 41 witheverythinghehad.However,whenhefoundhiselderbrotherwas 42 thanhim,hefeltdisappointed.Sohe 43 hardabouthowhecouldalsobericher....

問題詳情：41.Hegave_______accountoftheirtriptoSpainfirst.(幽默)42._________ofthetruthofthereports,hetoldhiscolleaguesaboutit.(信服)43.Wedidtheexperimentunderthe________ofourteacher.(指示)44.Theboyopened...

問題詳情：41.Toeveryone’ss____________,thegirlfinishedthejobquitewell.42.SinceIwasnotbusy—mypatientdidn’tturnupatthea__________hour,Iwouldexaminehiswound.employerwillc____________(*實)thatIwasthereon...

問題詳情：41.Ithinkheisnot______(self).Hehasbeenconcernedwith peoplearoundhim.42.Millionsoffansadmirehisathleticability,_________(motivate)andconfidence.43.___________wewillgocampingtomorrowornotdepend...

問題詳情：   MybrotherandIslippedoutofthebed.Wegrabbedour   41   andputonourshoes.Withoutheatersinouroldhome,wearingcoatsinsidewasas   42   aswearingshirtsinsummer.   Butthismorningwas...

問題詳情：31×41－11×41×2－9.5×11.【回答】31×41－11×41×2－9.5×11＝31×41－11×41－11×41－9.5×11＝41×(31－11)－11×(41＋9.5)＝(41＋)×20－(11＋)×51＝820＋10－561－17＝252.知識點：有理數的乘除法題型：計算題...