青春励志演讲稿三分钟

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含盐10%的盐水200克中蒸发掉X克水,得到含盐量为25%的盐水,此时盐水中含盐()克,原来盐水中含盐()克急 酒分几种? 谁知道白酒分哪几种?酿酒原料与方法决定酒的分类 中国有几种酒型?发 有200克含盐5%的盐水.要使盐水含盐率成20%,(1)需要加盐多少克?(2)或需要蒸发东少克的水?第一个问的答案你再问要老师哦,加了盐之后,分母就不再是200了哦,应该是200+加入的盐吧. The snow is three feet ____.A.deeply B.deepen C.deep D.deepenedThe robber was ___ with a rifle.A.arm B.arms C.armed D.armingIt is well know that Thomas Edison ____ the electric lamp.A.discovered B.invented C.found D.developedThe man who does his duty 盐水200克,含盐率百分之10,要使含盐率达到百分之16,要蒸发多少克水? Choose the best answer to the following sentences.1.I was worried as to whether you were going to be a mental _______ for life or not.A.cripple B.disabled C.inability D.incapability2.Petitions(请愿书) bearing nearly a half million _______ went to 1 When we got off the train ,it---Arained Bhad been raining Chad rained Dwas raining2The children ---very quiet,Iwonder what they are up to.Aare being Bare looking Care seeing Dare appearing3Iam sorry I haven't wrttten for such along time,but I---- v 求Have they ____the food on the table to the children before dinner?A.given out B.given away C.gave away D.given up还有I got so many gifts on Christmas,then I__ some away to my best friends.A.gave B.put C.threw D.took 关于“人生”古诗词有哪些? 关于智慧的古诗2首要完整30号以前回答 乡村生活古诗词_ _ 古诗句,聪明在于学习,什么什么什么什么, 举例说明生活中存在的危害其他生命的现象 1.( )He always tells funny things to make me -----.A:sad B:laughing C:happy D:happily2.( )The train arrived---Nanjing ----6.00----the afternoon of September.13 A:at,at,in B:in,at.in C:in,at,on D:at,in,on My teeth zche.I have to go_____.A.the dentistB.to the dentist'sC.to the dentistD.to see the dentist's “人生有酒须当醉 一滴何曾到九泉”翻译成英语 生活中的能量有哪些 1.Do you have a solution _______ this problem.A.to B.at C.of D.with 2.I would rather _______ at home than _______ to the parkA.stay goB.stay to goC.to stay goD.to stay to go 给我讲一下这两道题为什么这样选, 1.The picture reminds me of the town ()Igrew up.Awhere B.which2.I do not know ()with the problem,it is too hard,A.what to do Bhow to do我认为应该选A吧,what不是跟do with吗 现有浓度为10%的糖水160Kg,把这些糖水变为浓度为20%的糖水,需加糖多少克?(列出过程) 有一杯糖水重a克 其中含糖b克 现在向糖水中再加c克糖 此时糖水变得更甜了 为什么(要书写过程 不用解析) 往含糖率百分之65的糖水里加入含糖率百分之50的糖水,糖水变甜了还是变淡了急需过程 一杯糖水,含糖率为20%,糖与糖水的比(),糖与水的比() As soon as he comes back,I'll tell him when____and see him.A.you will comeB.will you comeC.you comeA为什么不行呢. —My family _ going to Guangzhou in September this year.—Do you mean the city _ held the 16th Asian Games?That’s attractive.A.is;which B.are;that C.is;where D.are;where 初三英语 选择题一道Hurry,Mike!The bus is coming. —Wait a minute, please!Let me see if there's_____leftA.anything else B.something important C.nothing else D.any other things这道题以前做过 老师给的解释让我不是很满意 Try not to buy too many things from abroad.It may ___ a lot of money to bring them to us.A.cost B.take我上网查了一下,看到了两个句型:1.it costs (sb) some money to do sth2.it takes sb some time(some money) to do sth照这么说,两个 溶解现象.1.下面液体中的溶剂不是水的是?A.生理盐水B.葡萄糖注射液C.碘酒D.稀硫酸2.指出下列溶液中的溶质和溶剂.(1)澄清的石灰水中,溶质是▁▁,溶剂是▁▁;(2)医用酒精溶液中,溶质 初三化学溶解现象谁可以详细的帮我解释一下初三化学的溶解现象!谢谢! 写一首与生活有关的诗句