- 問題詳情:.NO能否與Na2O2反應?如果能反應,產物是什麼?某興趣小組對此進行探究。【查閱資料】①NO不與鹼反應;②亞**鹽除淺黃*的AgNO2難溶於水外,其餘易溶於水;③2NaNO32NaNO2+O2↑,NaNO2熱穩定*很高。【實驗探究Ⅰ】興趣小組的同學經討論設計瞭如下圖所示實驗:(1)儀器a的名稱是 ...
- 22154
- 問題詳情:NO是大氣汙染物之一,但少量NO在人體內具有擴張血管、增強記憶的功能.NO難溶於水,通常條件下極易與氧氣反應.實驗室收集NO的裝置是()A. B. C. D.【回答】【考點】常用氣體的收集方法.【分析】收集氣體時不但要考慮氣體的密度、水溶*和是否與空氣中的成分發生反應,還要...
- 9271
- 問題詳情:一氧化氮(NO)是大氣汙物之一,但少量NO在人體內具有擴張血管、增強記憶的功能.NO難溶於水,密度比空氣略大,通常條件下極易與氧氣反應.實驗室收集NO的裝置是()【回答】B知識點:製取氧氣題型:選擇題...
- 7508
- 問題詳情: Wewereextremelypoor.Wehad no house, no food.Wehadnothing.Myparentshad manyproblems. Myfamilywasalwayson theedgeof violence,It wastunbelievably sressful.Therewasn't amomenttorelaxduring myentire childhood. Iwaitedtob...
- 9018
- 問題詳情:—Arethesehisnotebooks?—No,________aren’t. A.they B.these C.those【回答】A知識點:人稱代詞題...
- 31398
- 問題詳情:-Peterisverycleverandhestudieshardaswell.---No______bealwayswinsfirstintheexaminations.A.doubtB.questionC.wonderD.problem【回答】C知識點:名詞題型:選擇題...
- 22509
- 經典語錄さあ、始めようか。(那麼,遊戲開始吧。)...
- 8647
- 問題詳情:—Isyourmotherbadlyill?—No,_______.She'sjustcaughtacold. A.nothingserious B.seriousnothing C.anythingserious ...
- 26322
- 1、Irealizenopainsnogains.2、Itisduetothearrivalofautumn,peopleknowswhatisnopainsnogains.3、But"nopainsnogains";youwillfeelquiteexcitedwhenyouseethebigperformanceimprovementyouhavemade.4、Itissaidnopainsnogains.butacopycatgotwhateverhelikedwithouts...
- 21543
- 問題詳情:—Doyoulikeplayingtennis? —No,____Ilikesports.IplayfootballeverySunday A.and B.but C.so D.or【回答】B 知識點:連詞題型:選擇題...
- 17217
- 問題詳情:–Gina,yournewdresslookssonice.– .A. No,no B. Thankyou C. Yes【回答】B知識點:口語應用題型:選擇題...
- 9110
- 問題詳情:BigBen,theQueen,aplateofhamandeggs–no,no,no.Ifyou’relookingforasymbolofBritain,onlyonethingpassesthetest–theumbrella.Now,Iknowwhatyou’rethinking–wehaveraininChinaandwehaveumbrellastoo.Certainly,IwillneverforgetthewayitrainedwhenIlivedinB...
- 27334
- 問題詳情:---Doyouplaycomputergames? ---No,_______.Idon’tlikethematall. ys n lly r【回答】D知識點:副詞題型:選擇題...
- 23136
- 問題詳情:----MustIreturnthemagazinetomorrowafternoon? ----No,you_____.You_____keepitforfourdays. A.needn’t;can B.mustn’t;must C.mustn’t;may D.needn’t;must【回答】A知識點:情態動詞題型:選擇題...
- 22322
- 問題詳情:—Excusethereapostofficenearhere?—No,________youcanfindoneonHexingRoad.A.itisn't B.hereisn't C.thereisn't D.theyaren't【回答】C知識點:口語應用題型:選擇題...
- 14678
- 問題詳情:Isthisyourfather?No,________.A.itis B.itisn’t C.heis D.heisn’t【回答】B(Isthis…?的否定回答)知識點:相似相近詞比較題型:選擇題...
- 19756
- 問題詳情:-Isthisyourruler?-No,______isinmypencil-box. lf【回答】C知識點:物主代詞題型:選擇題...
- 17958
- 問題詳情:—Areyouoftenlateforschool?—No,________.Igotoschoolearlyeveryday.A.always B.usually C.sometimes D.never【回答】D【詳解】句意:——你經常上學遲到嗎?——不...
- 6974
- 問題詳情:—Aretheseherhats? —No,______.A.thesearen’tB.theyarenot C.theyaren’t D.itisn’t【回答】C知識點:口語應用題型:選擇題...
- 20034
- 問題詳情: —HaveyougotaniPhone5?—No,manyyoungpeoplebegantosay“No”toitbecauseof_________follow-upservice. Bytheway,IamasupporterofChineseproducts. A.it’s B.its C.it D.itself ...
- 11885
- 問題詳情: ---Didhebreakitaccidentally? ---No,__________. A.withpurpose B.bychance C.onpurpose D.bymistake【回答】C知識點:片語短語題型:選擇題...
- 11367
- 問題詳情:-----I’dpayforthemeal.-----No,no,putyourmoneyaway;letme______youtoit.A.deal B.treat C.entertain D.charge【回答】B知識點:動詞題型:選擇題...
- 18189
- 問題詳情: —Wouldyoumindmysittingherewithyou?—No,______youaren’ttoonoisy. A.when B.if C.unless D.assoonas【回答】B知識點:連詞題型:選擇題...
- 21477
- 問題詳情: ——Haveyourworkingconditionsbeenimproved? ——No,______thanbefore,I’mafraid. A.nobetter B.alittlebetter C.notworse D.noworse【回答】A知識點:片語短語題型:選擇題...
- 15800
- 問題詳情:—Isthispencil ?—No,______. A.your;itis B.yours;itisn’t C.your;thisis ...
- 32370