什么叫天窗作业

急求结婚贺词藏头诗.新娘曾嘉敏新郎文梁谦 用所给动词的适当形式填空We (visit) our grandparents next month. We were not late yesterday because we were just （） time for the bus..填in还是on why were you late?____was very slow because of the traffic accidentA.that i drove B.to drive C.driving D.i drove Could you tell me___yesterday?Because the traffic was bad A Why did you come lateB.why you come latec.Why was you late可不可以对每个答案做分析.... my parents go to the cinema (twice a month)对括号圈起来的部分提问 i go to the cinema with my parents?对go to the cinema 划线提问 大侠急 亲近人是什么意思 关系亲近是什么意思? 蔗糖水和硫酸还是盐酸反映生成了“黑面包式”的东西? 100分之43,50分之11从小到大排列 5分之7一20分之11=? 问一道数学证明题用拉格朗日中值定理的设a b为正实数 且a＞b求证 (a-b)/(lna-lnb)＜(a+b)/2用拉格朗日中值定理表示出1/ξ 在怎么做呀楼主初学这个运用定理之后呢 我会追分的 白面包和黑面包的区别 全麦面包和白面包的区别是什么 周记先写题目还是先写日期? has been 和 had been 的用法和差别如题~我总是分不清而且总用错,可以解释一下怎么用他们吗和他们的差别.but my teachers said that use had been when there is two statements connected together or their is exact timing..i 状态反馈matlab中的一段程序,u2=[ones(m,n),ones(m,n)]'-K2*x2' u1=[ones(m,n),ones(m,n)]'-K1*x1'plot(t1,u1(1,:),'k',t1,u1(2,:),'k--') my pen is lost,have you seen it anywhere 为什么不说my pen has been lost,have you seen it anywhere "where have you been my lost friend?."谁知道这首歌?我想找这首歌,不知道它的歌名?我也想要它的歌词,我找了很久了 I have lost my pen.[you] [see] it anywhere?用动词适当形式填空··快12点前要跪求·什么时态？ 一批同学参加竞赛,男生比总人数的11/20还多20人,女生是男生的1/4,问共有几人给出算式 参加数学竞赛,女生人数是男生人数的90%如果再有9名女生参加,则女生人数比男生人数多20%,原来参加竞几人 in the evening before the spring festival we allsay happy new year翻译 四个头八只手八只脚是什么动物 四只脚 白色的 2只耳朵 没有尾巴是什么动物啊?帮帮我哦!我猜谜语很菜的! 一个三角形的三个内角和分别是91度44度45度,这个是三角形是什么三角形? 一个三角形有两个内角都是45度,这个三角形是什么三角形 在一个三角形中,已知它的两个内角的度数是45度和65度,这个三角形叫什么三角形? 甲车在左道正常行驶,并与前车保持较远距离,乙车自右向左变道后遇前车急刹,造成甲车追尾,责任该由谁负 中西方文化差异英文表达哪个正确?the different culture between china and western countriesthe different culture between china and western the different culture between china and the western countriesthe different culture berween china an 一只脚,两个脖子,三个头,四支手的是什么动物