二珂男朋友

You should do everything ____ you ____.A.as; are told to B.as; are told C.like; are told D.like; are told to 硝酸与铜的反应,当铜的质量一定时,用排水法收集铜与足量的浓或稀HNO3,完全反应产生的气体（在相同情况下）.下列叙述正确的是A .硝酸的浓度越大,反应速率越快B.硝酸的浓度越大,消耗的HNO3 在实验室里用铁屑、氧化铜、稀硫酸为原料制取铜,有些列两种途径：（1）Fe-加H2SO4-H2-加CuO-Cu（2）CuO-加H2SO4-CuSO4-加Fe-Cu若用这两种方法制得等量的铜,则下列有关说法符合实际情况的是（）A. 如何用英语解释Haste makes waste? 明天就是我生日了,好像又要下雨,为什么每年我生日都会下雨? The factory provides plastic bags ( ) some supermarketsA forB withC ofD from There are some s( ) in the factory 景观船主要有什么作用? Everytime.I ask myself 中文意思 哪些物质能燃烧,哪些不能,为什么 比较0.02mol/L硫酸铜溶液和0.002mol/L硫酸铜溶液的颜色变化情况 为什么有的物体不能燃烧 配制0.02mol/l硫酸铜溶液1L应称取多少克硫酸铜 牛羊怎么样养长得快 现在国家对牛羊养殖有补贴吗?具体是怎么样的?以后牛羊养殖会向什么趋势发展? my job is write articles 是 to write articles 还是 writing articles? her job is to write books for childrento write 可以换成writing 为什么?write Her job is ___(write)books for children 问一下大家...什么System memory errors 不知道是不是内存坏了.　有谁了解的说下吧,非常谢谢大家 sh_ _pen_ _,q_ _st_on,补充所缺的字母 怎样做品管PDCA循环? So the world wags 品管中的SPC是什么意思 Haste makes waste用汉语如何翻译 he didn`t go to the concert yesterday,did he ____________he was busy studying or the tests allday 1.no,he didn`t 2.yes,he did 3.no,he did 4.yes,he didn`t 选哪个 Car 7 won the race.Yes,but the driver came close to -----A.having been killedB.have been killedC.being killed D.be killed The car got the medal."but its driver came close to .A.be killedB.being killedC.killD.killing 为什么选B为什么用进行时 何如使用cd4053搭建模拟开关电路. 电蒸汽发生器是否需要建造锅炉房我们公司新近一台脉动灭菌柜,需要一个外接的电蒸汽发生器提供蒸汽.该电蒸汽发生器型号：ZF-06,蒸汽量：60kg,压力：0.6MPa,请问是否需要单独为这台蒸汽发 “do homework”和“write homework”一样吗? can I learn how （write）homework?（适当形式填空） 禅让制的破坏和井田制的瓦解共同说明?