若m为正实数

not.untill随便的时态都可以的对吧?例如：I didnot leave unot.untill随便的时态都可以的对吧?例如：I didnot leave untill him entered the room.或者I donot leave untill him enter the room. 请问一块带正电金属极板和一块带负电的电介质材料放在一起算是电容吗 我要寻找数学厉害的朋友,希望帮帮我这个数学特烂的人.464657753,期待数学高材生加我. 6.When the city was ___ ,everyone knew that total defeat was certain .A cut off B cut down C cut across D cut out 7.If we ___ everything ready by now ,we should be having a terrible time tomorrow .A hadn’t got B didn’t get C wouldn’t have got D 5英语选择题,请帮忙详细做解!1.All flights ____ because of the storm , they decided to go to Beijing by train.A having been canceled B had been canceled C having canceled D were canceled2.We shall have completed the work by the time -Are you sure you have to?It's been very late.-I don't know ____ I can do it if not now.A.whereB.whyC.whenD.how-Hello,Jack!Haven't seen you for a long time!-John!____A.How old are you?B.How do you do?C.How's that?D.How time flies!Can 英语选择题第5题求详细解析 备考英语四级要从什么地方下手? 大庆大学城附近哪里有补习英语四级的地方?最好是在大学里面,像是新东方的那种 百度词典里没有意思解释 我手头没有字典…… 你太XU了 oynap xu Kenisha barbie Xu是什么意思救救我 无题 李商隐 中丝方尽隐喻什么 terrible的比较级 terrible的比较级和最高级?急. 抗丽是什么?是夫妻的意思吗? who ( ) the boys?括号里应该填什么? I must have it repaired.repaired在这句话中是什么成份 untill unless区别2009年辽宁鞍山中考试题You can’t go to public places u_______you have been symptom-free for at least 24 hours.为什么答案是unless 而不是until? The problem will appear_a different welfare system will be created.A unless B whether C untill Dif此题选B 为什么不选A 含xu 什么写 求高手解决几道关于时态的题12.You ‘ve failed to do what you_______(expect)to and I’m afraid the teacher will blame you.13.when shall we restart our business?Not until we_______(finish)our plan.14.we _______(work) on this project for h xu的韵母是什么 几道初中时态题1.She_____(not play) football these days.{正确答案：has not played}2.I___my homework now. A.finish B finished. C.have finished D.had finished（选C）1.these days不是现在进行时的时间状语吗? 为什么要用过 The SU binary.needs to beupdated.Continue? .Life still has to continue,regardless of whether you have i can not make him doing that if he does not want to改错 怎样一个月时间提高数学水平?我现在是一名高二女生,即将升入高三.数学成绩一直不拔尖,做不来难题.尤其最近学的一本选修2-3,根本没有完全弄懂.暑假有一个月休息时间,想利用起来,取长补 交谈的单词怎么写? I don't know the k--------- to those problemsI don't know the k--------- to those problems，Can you help me?Sure.