You is scheduled for March 16 at 10 o 'clock meeting with professor brown, but because you have something urgent can't keep the appointment, please write a letter of apology letter to professor brown, and told him to give him a call as soon as you come back some other tim
最新问答： 妈妈买了一些水果。有20个苹果，梨比苹果少5个，橘子比梨多2个，橘子有多少个？ 谁能帮我做一下下面的题目,关于文言文《愚人食盐》的 光合作用强度表示方法：用一定时间内————或————的数量来定量表示 英语翻译The tops of crags and cliffs,the air is thin So we`ll fi always have faith inwho you Many middle school students like watching TV very much. But 已知命题p∈(负无穷,0),2^xsinx,则下列命题为真命题的是 写出下烈反应的化学方程式 并判断反应类型 1 乙烷跟氧气在光照条件下的反应； 2 由乙烯制... 真正英语语法高手请进1,Mr Li thinks ______ necessary to vist the Effiel 关于弹力,下列说法正确的是A不相互接触的物体间也会产生弹力B拉力不属于弹力C压缩的弹簧能产生弹力D物体在发生形变是产生弹 一个梯刑的面积是42cm*高是4 cm*下底的长是上底的三倍它的上底长多少厘米? 化简根号-a三次方+根号a² K2FeO4~Zn组成碱性原电池,正极的电极反应为? 太阳自己会动吗? Everyone should make an English-learning p______ for this te 氧化反应需要几种物质 The picture has been here.It was here two years ago.用since该写 海底两万里 第二章内容概括要写出概括内容 主要人物特征（性格、品质） 电路中电流I的大小请说下思路和电路的等效图 “关于友情的名言” 用英语怎么说!
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