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共找到 1784581 与回答有关问题．物质NaNaClNaBrNalNaClKClRbClCsCl熔点/℃995801755651801776715616物质SiFi4SiCl4SiBr4Sil4SiCl4GiCl4SbCl4PbCl4熔点 相关的结果，耗时338 ms rss sitemap

对I~IV的实验操作现象判断正确的是A．实验I：产生红褐色沉淀B．实验II：溶液颜色变红C．实验III：放出大量气体D．实验IV：先 化学

：先出现白色沉淀，后溶解

下面4个有关向量数量积的关系式．①0·0＝0；②(a·b)c＝a(b·c)；③a·b下面4个有关向量数量积的关系式．①0·0＝0；②(a·b)c＝a(b·c)；③a·b＝b·a；④|a·b|≤a·b,其中正确的是A.①②B.②③C.③ 数学

-Jenny,would you like to come to my party on Sunday afternoon?-_____.A.sure,I'd love to B.Sorry,I have to study for a testC.I'm sorry 英语

'm late.D.Both

Here is a small talk.A;You're new here,aren't you?B;Yes,I am.My name's Bill.You're Tony,aren't you?A;That's right.What do you think of 英语

the school?B;I

Do you still smoke?____,It's two years since I smoked."A No,I don't.B Yes I do .C Not too much .D Oh yes,but I wish I didn't.请问为什么要选A, 英语

不选B?后面一句不是说抽烟已

mathematica的画图问题mathematica8里输好后执行没有显示,为什么?a = {Sin[1], 2 Sin[1/2], 3 Sin[1/3]};Do[a = Append[a, i Sin[1/i]]; ListPlot[a, PlotRange - 其他

{0, 2}, PlotS

根据对话内容,并判断句子的对错,对的打对,错的打错.A:HIB:HI,()isNancy.IsthatSuHaispeaking.A:YES,speaking.B:()areyouabsenttoday?A:I'mill.I'mstayinginbed.B:I/m() 英语

bed.B:I/m ()

A.(C, B, D, A, P, E, I, J, G, H)B.(C, B, D, A, E, F, I, G, J, H)C.(B, A, D, E, F, G, I

A．(C, B, D, A, P, E, I, J, G, H)B．(C, B, D, A, E, F, I, G, J, H)C．(B, A, D, E, F, G, I, J, H, C)D．(B, C, D, A, E, F, I, J, G, H)

A.(A, B, D, C, F, E, I, J, H, G)B.(A, B, D, C, E, F, I, H, G, J)C.(B, F, G, E, A, I, D

A．(A, B, D, C, F, E, I, J, H, G)B．(A, B, D, C, E, F, I, H, G, J)C．(B, F, G, E, A, I, D, C, H, J)D．(B, F, G, J, A, E, D, I, C, H)

A.(C, B, D, A, F, E, I, J, G, H)B.(C, B, D, A, E, F, I, G, J, H)C.(B, A, D, E, F, G, I

A．(C, B, D, A, F, E, I, J, G, H)B．(C, B, D, A, E, F, I, G, J, H)C．(B, A, D, E, F, G, I, J, H, C)D．(B, C, D, A, E, F, I, J, G, H)
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