- 我們應當根據具體情況做出決定。拿自己當根蔥的人,特別善於裝蒜。第五條本企業應當根據權責發生制的原則記賬。排水溝應當有足夠的尺寸,而且應當根據情況裝有空斷器或適當的裝置,防止倒虹吸。合理施肥及適當根外噴施微量元素能顯著提高文冠果的油脂產量。記帳憑*應當根據經...
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- 問題詳情:當 時,二次根式取最小值,其最小值為 .【回答】-1.0知識點:二次根式題型:填空題...
- 15007
- 問題詳情:根據所給詞的適當形式填空。boyalwaysmanages_________(finish)thetasksthathisteacherarranges.hasgotintothehabitof________(do)hishomeworkcarefully.’swritingareviewfortheir________(discuss)now.youimaginewhatlifewaslikeinthe________(twenty)century...
- 24203
- 問題詳情:當 時,二次根式有意義.【回答】≤2知識點:二次根式題型:填空題...
- 10469
- 問題詳情:根據對話情景,填入恰當的單詞。A:CanI__1____you?B:Yes,please.I_2_______apairofsocks.A:What_3_____doyouwant?B:Black.A:_4________youare.B:Howmucharethey?A:15dollars.B:I’ll__5________them. Thankyou.A:You’re 6___________.【回答】1.help2.want3.c...
- 17166
- 問題詳情:根據語篇情景,填入恰當短語。Ieat___1_____healthyfood.Forbreakfast,Ilikeeggsandmilk.______2____,Ihavechicken,riceandvegetables.Fordinner,Ionlyeatfruit.SoI_____3________.Fordessert,______4_________.【回答】oflunchbananas/apples cream_知識點:短文...
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- 問題詳情:根據所給詞的適當形式填空。1.Hetriedmanytimesandfinallyhe________.(success)2.Thejobofthevolunteeris_________(help)thepeopleinneed.3.The________(humour)storymadeallofuslaugh.4.Theyaredifferentin___________. (appear)5.Youshould_______(give)them...
- 14253
- 問題詳情:用適當的化學用語填空:3個碳*根離子________ ;氨 ;**鉀 (I元素顯+5價) 。【回答】 NH3 KIO3知識點:化學式與化合價題型:填空題...
- 29935
- 問題詳情:根據對話情景選擇恰當的選項。A.Shelooksunhappy.B.Whichmoviedoyoulikebest?C.It’sverymovingandpopular.D.Becauseshedidn’tgetthetickettoTitanic3D.E.No,Idon’t.It’sveryboring.Jeff:What’swrongwithMissWang? 1 Tim: 2 Shewenttothetheatert...
- 30840
- 問題詳情:設函式,定義,如下:當時,;當且時,.觀察:根據以上事實,由歸納推理可得: 當時, .【回答】知識點:推理與*題型:填空題...
- 30279
- 問題詳情:當x 時,二次根式有意義.【回答】≥-3知識點:二次根式題型:填空題...
- 7176
- 問題詳情:根據語篇情景填入恰當的短語Hello,I’mLinda.I’m14__1______________.MybirthdayisJuly2nd.Ilikewatchingmovies.Ioften_2________________withmyfriends__3____________. IreallylikeBeijingOpera.Somepeopledon’tlikeit. ButIthinkit’sveryinteresting....
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- 問題詳情:當根毛的細胞液濃度 (填大於或小於)土壤溶液濃度時,根毛就吸水;當根毛的細胞液濃度 (填大於或小於)土壤溶液的濃度時,根毛就失水,這就是給植物施肥過多會出現“ ”現象的原因。【回答】大於 小於 燒苗【解析】試題分析...
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- 問題詳情:a為有理數,定義運算子號“※”:當a>-2時,※a=-a;當a<-2時,※a=a;當a=-2時,※a=0.根據這種運算,則※[4+※(2-5)]的值為--------------( )A.1 B.-1 C.7 D.-7【回答】B知識點:有理數的乘除法題型:填空題...
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- 問題詳情:Choosethebestanswer(根據以下內容,選擇最恰當的*)Monday8—10a.m.TECHNOLOGYInformationTechnology(IT)—UsingtheInternetInthislesson,studentslearnhowtosurftheinternetsafelyandeffectively.Therewillalsobeinformationaboutusingdifferentsearchengines.Fina...
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- 問題詳情:當 時,二次根式在實數範圍內有意義【回答】≥3 知識點:平方根題型:填空題...
- 23023
- 問題詳情:根據句意,用beableto的適當形式填空。1.Thekid________walkwhenhewastenmonthsold.2.Shehopesto________findthedifferencesbetweenthetwocars.3.Youwill________dancewellintwoyears.4.They________not________finishtheworklasttime.5.Ithinktheyoungman________succ...
- 30094
- 問題詳情:當取、、、、中的 時,與是同類二次根式.【回答】或【解析】解:先把、、、、依次開根號,得出,,,,.與是同類的二次根式是、,即或.故*是:或.知識點:二次根式的加減題型:填空題...
- 24299
- 問題詳情:已知關於的一元二次方程,有下列結論:①當時,方程有兩個不相等的實根;②當時,方程不可能有兩個異號的實根;③當時,方程的兩個實根不可能都小於1;④當時,方程的兩個實根一個大於3,另一個小於3.以上4個結論中,正確的個數為_________.【回答】①③④【解析】由根的判別式,根與係數...
- 24996
- 問題詳情:根據句意,用適當的詞填空。 1.MrLingaveLilysomegoodadviceonhowto__________withtheproblem. 2.I’msorryI’mlate.The__________is,thetrafficisverybusyatthemoment. 3.—Daming,whatdoyou__________ofTony? —Heisnotonlyfriendlybutalsohelp...
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- 問題詳情:Choosethebestanswer(根據短文內容,選擇最恰當的*)Inthepasttwentyyears,ridingbicycleshasbecomeincreasinglypopularamongpeopleofallages.BicycleshavelongplayedanimportantpartinthelivesofAmericanyouths.Buttodayanevengreaternumberofadultspedalalongroa...
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- 問題詳情:根據語境,用恰當的語言完成對話。A:Hi,Larry.Wouldyouliketogoshoppingwithmetonight?B:I’dloveto,Tony.ButIpromisedtoseeamoviewithJacktonight.A:Seeamovie?Larry.Youhavechangedalot.(1)_________________________________?B:No,Ididn’toftengotomoviesbefo...
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- 問題詳情:Choosethebestanswer(根據短文內容,選擇最恰當的*)Copenhagen,oneoftheworld'smostbicycle-friendlycities,hasbeguntoturnitsnetworkofusualhighways(公路)intobikehighwaysinordertopushmorecommuters(每日往返上班著)toleavetheircarsathome.CopenhagenandAms...
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- 問題詳情:根據句意,選擇適當的詞語填空。1.Someonewillprobablyfinditand_______(return,returnto)itsoonerorlater.2.Shewas________(worriedabout,worried)andaskedherifhehadseenahistorybook.3.Itlooks________(exciting,excited),butIdon’tknowhowtosurf.4.Hawaiiisf...
- 18473
- 問題詳情:把a中根號外因式適當變形後移至根號內得 .【回答】.【解答】解:∵﹣>0,∴a<0,∴a==.故*為:.知識點:二次根式題型:填空題...
- 5452