- 問題詳情:完形填空。Look 1 thisyoungman.HeisaChinesesoccer 2 .he 3 soccerinUSA.Heisverytallandstrong, 4 longlegs.He 5 smalleyesandabignose.Wealllikehim. ( )1.A.in B.for C.at D.under ( )2.A.play B.players C.player D.plays...
- 20585
- DesignofHbA1cAnalyserBasedonSOCMicrocontrollerThelastchapterstudiesthecharacteristicsandmethodsofSOCdesign,andadvancestheschemeofbyteprocessingpartinDVB-SchannelreceiverforSOCdesign.AdiscussionaboutthecriterionofSOCshowsthatthefractalfabriccharacteri...
- 20145
- 問題詳情:近年來研究表明,赤黴素能促進某些植物體內DEL蛋白的降解,DEL阻止SPL蛋白髮揮作用,SPL直接激活SOC編碼基因的轉錄,而SOC蛋白的存在是植物開花的先決條件.據此,可判斷下列表述錯誤的是()A.赤黴素有利於開花B.赤黴素有利於SPL蛋白髮揮作用C.DEL是開花的激活因子D.DEL間接抑制SOC...
- 16599
- TheResearchandImplementationofMemoryControlandonChipCommunicationforMultimediaSoC;HighLevelDesignandOptimizationofWirelessMultimediaSoCBasedonWPANs;...
- 20739
- 問題詳情:下列各組離子能在強鹼*溶液中大量共存的是()A.K+、Na+、SO、NOB.H+、Na+、Cl-、SOC.Cu2+、K+、Cl-、SOD.Ca2+、NH、CO、Cl-【回答】解析溶液顯強鹼*,説明溶液中有大量OH-,則H+與OH-反應生成H2O、Cu2+與OH-反應生成Cu(OH)2沉澱、Ca2+與OH-反應生成Ca(OH)2沉澱、NH與OH-反應生成NH3·H2O不...
- 24061
- 問題詳情:下列實驗能達到目的的是()A.用溴水鑑別苯和正己*B.用BaCl2溶液鑑別SO和SOC.用濃HNO3與Cu反應制備NO2D.將混有HCl的Cl2通入飽和NaHCO3溶液中除去HCl【回答】【解析】A項中苯和正己*都能萃取溴水中的溴,兩者的密度都比水小,故不能鑑別;B項中BaSO4和BaSO3都是難溶於水的白*...
- 5241