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几道英语选择题,请写出为什么选这个答案1.Does the TV say____happened in Iraq every day A.someting terrible B.anyting terrible 2.Unless he ______to help us,we shall lose the game.A.promises B will promiseC.would promise D had promise3. 1.It's a little hot in the room.Will you please keep the windows ___?A.open B.opened C.opening [why选A不选C]2.—I had a relly wonderful time in Beijing.It's one of the most beautiful cities in China.—________.[why 选D不选A]A.It's a pleasure 1.Heading home after _____ day's work,he never knew ahead of ____ time whether he would catch the bus.A.不填;the B.a ;不填 C.不填;不填 D.the;the2.she_____ Japamese when she was in Japan when she was in Janpan.now she can speak it free ____more and more forests destroyed,some animals are in danger of dying out.A.With B.By C.As D.For 2.No one knows for sure when such a custom first ___A.came into power B.came into being C.came true D.came out 关于高一英语1到4单元的选择题 21-26英语选择题,请告诉我为什么选择这些答案,依据. 在一个密闭容器里有一氧化碳、氢气、氧气共16.5g,用电火花引燃,完全燃烧,再将燃烧后的气体用过氧化钠充分吸收,过氧化钠增重7.5g,则原混合气体中氧气的质量分数是( )A、36% B、40% C、54.5% 将NaHCO↓3和Na↓2CO↓3·10H↓2O的混合物45.5g溶于水制成400ml溶液,其中钠离子浓度为1mol每L;将相同质量的上述混合物加热至质量不再变化,此时残留固体质量为A、21.2gB、24.2gC、16.8gD、31.8g 为了探索月球上是否存在生命的痕迹,首先要分析月球岩中是否包藏有碳氢化合物.科学家用氘盐酸即DCL的D2O溶液处理岩石样品,收集放出的气体加以分析,结果只发现有一些气态碳氘化合物.试 与3.2克SO2所含的氧原子数相等的NO质量为 往X盐溶液中通入过量氯气后再滴加氯化钡溶液和稀盐酸,溶液中有白色沉淀生成,则X可能 A.Na2SO3 B.FeSO4 C.CaCl2 D.Na2CO3 1〜5的选择题 1-5题,选择题 求选择题的1到5题 对于点A(x1,y1),B(x2,y2),定义一种运算:A⊕B=(x1+x2)+(y1+y2).例如,A(-5,4),B(2,-3),A⊕B=(-5+2)+(4-3)=-2.若互不重合的四点C,D,E,F,满足C⊕D=D⊕E=E⊕F=F⊕D,则C,D,E,F四点(  )A.在 某项目固定资产原值为10000万元,净残值率5%,折旧年限10年,按双倍余额递减法计算的第8年末固定资产净值1678万元,第lO年的折旧费应为()万元A 689 B 589 C 489 D 789 一道英语选择题,希望能有解析( )and I'll get the work finished.A.Have one more hour B.One more hourC.Given one more hour D.If I have one more hour希望能详细的解释每一个选项!感激万分!希望能仔细详细地分析A和C 要除去氮气中混有的少量H2,CO,CO2,得到干燥的氮气(氮气不与下列试剂反映,假设每步反应都是完全的),通过下列试剂的先后顺序中,正确的是:1.浓硫酸 2.苛性钠溶液 3.灼热的氧化铜 A、 1 2 3 B 1.30.改革开放后,我国的经济发展成绩显著,有学者曾经形象的把东部地区经济发展的优势比作“满弓待发之箭”.期中“弓箭弦”是指 ( )①14个沿海开放城市如弓 ②长江中下游如箭③京九 oranger是橘子的意思,可是有一道选择题如下:( ) Please drink some ________ .A.pork B.melons C.oranger D.orangers这道题应该选什么呢? 有一道选择题请高手帮我解决一下:某学生取一瓶稀硫酸,等体积分装在甲,乙两个烧杯中,再称取质量相等的镁带和锌粒,把镁带放入甲烧杯中,锌粒放入乙烧杯中,待反应结束后,发现甲烧杯中镁 I have six colour pencils;one is blue,another is red,and___ are green.A.the other B.another C.others D.the others为什么不用C呢 British people eat ( ) a lot ,and they are usually cooked indifferent ways.A.beef B.chicken C.fish D.potatoes They____ the Palace Museum next week.A.hope me to visit B.hope visitingC.hoped themselves to visit D.hope to visit I will spend as much time as I can after the flowers in the garden.A.looking B.to look 求教一道英语选择题1.He bought a bike last year.He has had the bike ()A:since a year ago B:for one-yearone--------year 中间有横线 一道英语选择题.求教come and join us,jenny.I am sorry,but i am really busy now ,if I -----time ,I would certainly go.A will have B have had C had D have The force of attraction between the fundamental units of a substance dictate,(whether at a given temperature and pressure),the substance will exist in the solid,or gas phase.为什么不能填成(pressure and temperature are given or not)不好 【一道英语选择题求救】Some chicken ____ on the table.Tom likes to eat____.A.are;themB.is;itC.is;them【个人认为应该是B?】 12. 1979年,海城市西柳镇一位农民做裤子卖,一天挣的钱比在地里刨一年还多.远近农民纷纷仿效,这引起了轩然大波.民兵围追堵截,工商税务补税罚款,然而,撵了集中的却撵不了分散的,裤子交易 8.为了惩治犯罪,体现社会正义与公平,人类对各种司法手段进行了漫长的探索,司法制度经历了巨大的变迁,也反映了人类历史的进步和法律文明的提高.下面最能体现人类历史的进步和法律文 帕尔墨和科尔顿在近现代世界史中说:“对英国劳动人民来说,工业革命是一次难以忍受的经历.但是.劳动人民在城市和工厂里集中起来,这就为改善他们的处境开辟了道路.”作者的主旨是A.强