I DONT NO的意思 不要问为什么,

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• 先行词是the way,place,time,reason关系副、代词何时可省?为什么这句要加where:We've all used thermometers to measure temperature but sometimes we need to measure temperature in places WHERE you can't put a thermometer.语法说,先行词是the way,表示方式,可用that（可省）或in which来引导一个定语从句.如果先行词是时 间或原因,也可用that（可省）或when或why来引导定语从句.如：（1）This was the reason that/why he was late yesterday.（2）This is the last time that I shall give you a lesson.这句是道改错题,还要加上where 是什么原因?没表达清楚，我的意思是that代替关系副词，那么我这道改错题为何还要加
• It was not until yesterday that I noticed it.为什么意思是【直到昨天我才注意到这件事】?直到昨天我才注意到这件事 的英文不是 Until yesterday,I noticed this matter吗?为什么是It was not until yesterday.,而不是until yesterday,i .的呢?
• 1.i like goldfish because they are beautiful and they （make no noise.）请问括号内的能这样表达吗don't make noise.2..it sounds fun to (用纸做衣服听起来很有趣).根据所给的汉语意思补全句子.请问为什么不能这样表达：use paper to make clothes.答案是make colthes out of paper.3.Ants smell very well ,let's watch them when we are free.请问 smell 是系动词,为什么well不能换成good 呢4.he 'd never bark or bite.请问'd是would 为什么不用will呢此处.
• if主将从现,和虚拟语气的区别if it is sunny tomorrow,I will come to see you.If it were sunny tomorrow,I would come to see you.这两个意思不都是差不多的吗?
• 最好能告诉俺为什么选这个答案,不选其他的.1.By the time you get to New York,I ________ for London.A.would be leavingB.am leaving C.have already leftD.shall have left
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• 关于溶度积常数之类的（Ksp）某溶液里有 Cl-离子,I-离子 ,摩尔浓度各是1.0*10^-4 M ,如果缓慢加入银离子,Ag+,不包括增加溶液的体积.Ksp=1.8*10^-10 (AgCl),Ksp=8.5*10^-17 (AgI)第一个问题是那个先沉淀,肯定是AgI对吧.第二个问题是Ag+在什么摩尔浓度的时候会有沉淀出现,就用AgI的Ksp除以那个I的摩尔浓度,得到了8.5*10^-13 关键就是第三个问题 他问你Ag+在什么摩尔浓度的时候AgCl开始沉淀.老师说直接用AgCl的Ksp除以氯离子Cl-的摩尔浓度,也就是1.0*10^-4M 就可以了,得到1.8*10^-6.但是我在想,那个得出来的Ag+的摩尔浓度应该是在仅仅存在银离子和氯离子的溶液里吧.如果那个溶液里还有I-离子,为什么不需要再加上那个8.5*10^-13 这个数字呢,我的意思就是当浓度是1.8*10^-6加上8.5*10^-13 的时候,才能生成AgCl沉淀 如果仅仅是1.8*10^-6 的话,难道一部分不会去和I-反应
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