2018农村经济管理作业1

11化学题t℃某饱和氢氧化钙溶液149.48g与草木灰（其主要成分为碳酸钾）5.5g反应,生成2g沉淀. 求：（1）草木灰中碳酸钾的含量 （2）t℃下氢氧化钙的溶解度 8-11题,快 化学第11题,急11．在强酸性溶液,下列离子组能大量共存且溶液为无色透明的是( ).A.Na+ K+ OH－ Cl－ B.Na+ Cu2+ SO42－ NO3－C.Mg2+ Na+ SO42－ Cl－ D.Ba2+ HCO3－ NO3－ K+ 第13和14题化学 第14和18题我不会做,麻烦会做的朋友帮我解答一下, 请问第18题怎么做快点谢谢 十八题! 18题, 第18题. 14题到18题,怎么写 14.15.16.17.18题,怎么做? 18题选什么 第18题选什么? 第18题选什么, 求阅读下面文言语段,完成14—18题.太和初,礼部侍郎崔郾试进士京都,公卿咸祖道长乐.武陵最后至,谓郾曰：“君方为天子求奇材,敢献所益.”因出袖中书,搢笏授郾读之,乃杜牧所赋阿房宫.辞既 初一的一道地理选择题.选什么?为什么?第16题. 理由,要理由!16题! 第15, 选择题第三题是选什么啊 英语1-15选择题 ●●●●●一道英语选择题13●●●●●17Beijing has so many buses that there is often a traffic jam in rush_____.A.a hour B.hours C.an hour D.moment 第十七到十九, A small plane crashed into a hillside five miles east of the city,____all four people on board.A:killed B:killing C:kill D:to kill 为什么A不可以?A放进去不是说在这次事故中4人被杀死了不是很顺吗,想知道A 和B详细使用环 帮我做19道英语选择题,1._________ singer and _______ dancer has accepted the invitation.A.A,a B.The,the C.The,a D.The,/ 2.My uncle is _______ high school principal.A.a B.an C.the D./3.It was raining,______ we had to stay at home.A.or B.yet C. 求英语高手帮我做25道选择题1.His father has a great____on his choice of occupation.A.inference B.inflection C.influence D.indifference2.The educational____of computers has not yet been fully realized.A.amount B.quality C.value D.worth3.At 初三 英语 英语选择题 请详细解答,谢谢! (31 16:1:25)Having a trip is really __________ than staying home. A．much enjoyabler                   After the earthquake,a new hospital was put up_____there had once been a templeA thatB whereC whichD in which 关于英语的选择题（12）________helps build a strong body .A.RunB.RunningC.RanD.Runs 【英语】英语选择题（十二）The reason____ he gave for his absence was _____ he had missed the bus.A.why；thatB.that；becauseC.which；that-------------------------------------------参考答案是C,为什么reason后不用why引导定 一道英语选择题十二12Fang Li has ___ her mind ___her job .A. maked with ; quit B. make up ; to quit C. made up ; to quit D. maked with ; quiting请简单说明理由 高一 英语 英语选择题 请详细解答,谢谢! (21 19:16:47)_____blood if you canand many lives will be saved.A.Giving B.Give C.Given D.To give 英语 (21 19:16:7)_____did he tell me his telephone number?A.For what purpose     B.For Which purposeC.For the purpose       D.On purpose