点c1到a的距离的最大值为

your will ,my hands He is clever,but( ),he makes many mistakes.A.on the contrary B.on the other side C.on the other handD.on one hand CO2中含有少量的HCl和H2O.某同学欲用NaOH固体进行除杂干燥,对此你的评价是? ____ he does _____ perfect .Sometimes,he makes mistakes.A Nothing ,isB Everything,is notC Anything ,is notD Everything ,is A---NAOH---B-----HCL----CO2 ,A,B可能为? I don't think he makes many mistakes---- ( )I don't think he makes many mistakes---- ( ) A if not B if some C if at all D if he donesn't 请问这道题应选哪个? A加入NAOH-得--B加入HCL得CO2 ,A,B可能为? 冬天里我的发酵床养猪要注意什么啊?请问! 在酸性条件下能否大量共存的一组离子是 A 、Ca2+、CH3COOH、Br-、Na+B、HClO、Ba2+、Na+、Cl-C、K+、Cl-、Al3+、(SO4)^2-请说明不能共存的原因 激光器为什么还分气体液体固体? 二氧化碳气体激光器对人体有没有什么危害我做的是数控激光焊接,平时要利用二氧化碳气体激光器对刚产品加工焊接,请问焊接过程产生的气体和激光对人体有害吗,最近脸上还长了很多豆,以 第一台气体激光器的制造者是哪国人? 现有一混合物的水溶液,只含有以下离子中的若干种；NH4+、K+、Cl-、SO32-、C刚才也发了一个,不过少打了一句话,所以作废了.现有一混合物的水溶液,只含有以下离子中的若干种；NH4+、K+、Cl-、SO 蓝色风铃代表什么意思 T-shirt是什么意思 what (are/is)good manners (are/is)not always the same in different countries应该添哪个,为什么? That's your computer game.改为同义句 四大男高音都是谁?播放高科技扩大扩大扩大扩大入入扩搞误打误撞高质量 Have you told my father about the awarding ceremony?– Yes, but he is too busy. I don’t think he ____. But in case he ____, let him sit between us.A. is coming; is B. will come; does C. would come; will D. comes; do选B,第一个空填will come He is coming和He is come.有什么区别 Autumn will come after summer为什么不用is coming 而用will come,不是用现在时表示将来吗? 【英语】用所给单词的正确形式填空.That's an ____ (interest) computer game. 公有制经济对非公有制经济实行监督管理 这句话对吗?为什么? 如何写一篇作文?作文名字叫《假如我会飞》! i did my homework carefully(用at that time改写) i___ ____my homework carefully at that time The policeman orded me to （ ） the road at the zebra crossing,括号处改填through还是across?我觉得该填across,可是答案是through. 角AOB=30度,点P位于角AOB内,OP=3,点M,N分别是射线OA,OB上的动点,求三角形PMN的最小周长, ∠AOB=30度,∠AOB内部有一定点P,OP=10,在OA上找一点Q,在OB上找一点R,使三角形PQR周长最小,则是多少 周处中为什么说平原是陆机,清河是陆云 周处中的题目:陆清河从哪几个方面说服周处,使他坚定了改过的信心?(请用自己的话分急 Their laziness result in failure 对么 As a result my laziness ,I failed____ my work in time .A and finished B to finish C and finishing D to finished 快点哦!很急用!十分钟可以不?谢拉～