普京对中国评价

1.为了证明长期暴露在空气中的氢氧化钠溶液已变质,用酚酞和二氧化碳行不行?2.含有少量水蒸气和二氧化然的空气依次通过氢氧化钠溶液,浓硫酸和灼热的铜网,剩下的气体是 （稀有气体,氮气 超容易的 急用 从被选答案中找出与题目中的三种物质属于同一类别的物质,将编号填入括号中：1.氧气、氮气、氯气、（ ）A.水蒸气 B.氨气 C.氢气 D.二氧化碳2.铁、镁、汞、（ ）A.氧化铜 B.铜 On Saturdays,Mrs.Lee usually goes to the market,_____some groceries and vists her daughter.A\bought B\buys C buying D to buyThe two countries are holding _____ on different issues.(翻译意思)A a conversation B a dialogue C talks D chats 5．科恩说：“普鲁士在19世纪60年代的胜利,为1918 和1945年的失败打下了基础”.他强调的是“19世纪60年代的胜利”\x05A．推动了德国工业革命的完成 B．强化了普鲁士军国主义传统\x05C．促使 某条约签订后,清廷希望再开谈判,以免除关税为代价,换取外族放弃公使驻京、江河通路、内地游历和归还广东省城.这从本质上反映了清政府A.以关税作为谈判的重要筹码 B.重视维护国家主权 选D.请告诉我每一个点是哪个时间、.75 年前,正当我国革命和中华民族处于生死攸关的历史时刻,在中国的大西北先后发生了两件几乎堪称扭转时局的政治事件.下面诗句中暗喻这两件事情的是 为什么选这个答案.要原因.下列语言描述正确的是( ).A.直线mn与直线ab相交于点DB,点A在直线M上C.点A在直线AB上C.延长直线AB 请问为什么用这个答案we went to shanghai for a holiday____ on a ship,首先,为什么不用on ship,第二,为什么用on a ship 为什么选择这个答案Great!You_____a good job!A.do B.did C.work D.worked 为什么选B 要写出为什么选这个答案,其他答案错哪了1 I often read China Daily,___________ of great help to my English studyA which I think is B which I think it is C that I think is D I think is2 Andrew won not like it ,you know.________?I do not The boy often helps his mother do the homework in his spare time,_____makes his mother very happy.A.it B.what C.he D.whichEach of the boys in our class____great intere in football and they each____their own football jerseys(套衫)A.shows;have B.show 1、all ____ you told me yesterday was serious.A.what B.which C.that D.why 这道题我选的是A,2、besides ________,she likes to communicate with others.A.she is beautiful B.that she is beautiful C.her beautiful D.being beautiful这道题我选的 答案已告知,主要是为什么,1.-You should have prepared better for the speach,Smith-Yes,I know.But how could I do it( )the meeting date fixed so soon.A.while B.after C.because D.with(选D,为什么不可以选A)2.The terrorists ( ) to blow up 1.I don't really work here,I _____ until the new secretary arrives.A just help out B.have just helped C.an just helping out D.will juest help2.My name is robort,____most of my friends callme ob for shore.A.then B.intead C.however D.but3.My classmates 1.I_that the boy_with no tears in his eyes.A.noticed...cryB.noticed...criedC.noticed...cryingD.noticed...cryed2.When the speaker entered the hall,all the listeners_.(B)A.had seatedB.were seatedC.seatedD.were seating3.-Alice is moving to her new apart 高一英语一道选择题谁会-_-|| ----excuse me,do you have the time?----_____.A.yes,I do B.of course,I have C.a quarter to ten D.no proplem选神马,为什么? Though Jim is excellent,his bad health is a great _____ in his search for a job.A.shortcoming B.disadvantage My parents used -----they had to get a new car for me .A which B that C what D all that这里我主要问的事C和D选项,我们老师的解释是形容词不能在特殊疑问词前使用,但是我觉得她的理由没办法说服我.请亲们给 正确答案都知道 我只要原因解释 ,不是请您来帮我做题!☆☆☆1.I believe _____ you've dine your best and ______ things will pick up soon.-Thank you.A.that;/ B./;/ Cwhat;what D /;that2.He has given us a suggestion ___ we not buy a Not until the motorbike looked alomst new________repairing andcleaning it.A.he stoppedB.did he stopC.stopped he D.he did stop为什么选择B? 1.Wouldn't it be___ wonderful world if humans could live in ___ peace?A.a;the B.the ; 不填 C.a;不填 D.the;the 高一英语选择题,求详解Many a man and many a woman ____that he or she had better education.A.wish B.has wished C.do wishes D.have wishedWe are____him to arrive at 6:00A.waiting B.hoping C.expecting D.thinkingOn the wall____two 1,--When will the lecture begin?--When the students______.A have satB sat down C will sitD are seated 本题答案选D 2,First,it is important to recognize what kind of person you are and whitch special qualites make you ______from everyone elseA dif 主要给解释一下错误原因 【英语】高一英语选择题（四）Upon ____ ,we get down to ____ a music clubA.he arrived,startB.him arriving,runC.he arrived,runningD.his arriving,starting 1.We all envy Ella very much because she lives____A.such rich and full life B.such rich and full a life C.so rich and full life D.so rich and full a life2.The girl___,like a lovely beautiful butterfuly.A.came jumping B.came and jumped C.coming jumped 求21-30英语选择题答案 在100克浓度为18mol/L、密度为p（g/cm3)的浓硫酸中加入一定量的水稀释成9mol/L的硫酸,则加水的体积为（提示：硫酸溶液越浓,其密度越大）A、小于100mLB、等于100mLC、大于100mLD、等于100/p mL 二氧化碳35.2克,用40克氢氧化钠吸收,问:溶液中碳酸根与碳酸氢根的个数比约为?A 1:3 B 1:2 C 2:3 D 3:2 1.相同温度和压强下,3体积的X2【2在右下角】气体与6体积的Y2气体化合生成6体积的气态化合物A,则生成物A的化学式为______A.XY2 B.X3Y2 C.X2Y3 D.XY2.一块表面已经被氧化为Na2O的钠块10.8g,将其投入100g 下列各物质中所含分子数相同的是：A.22g CO2和22g O2B.1 mol H2SO4和50g H2OC.1g H2和14g N2D.0.3mol O2和0.2mol O3