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去美国读硕,如果有了GRE成绩,还需要托福成绩么? 细菌污染细胞后有什么特点? 这是哪种菌污染了细胞?是葡萄球菌吗?好几次都是这种串状的东西污染求教 行程问题（3）中点某处相遇（不能用方程或字母,要用算数法,2、客车和货车同时从甲乙两地相对开出,客车每小时行54千米,货车每小时行48千米.两车相遇后又以原速继续前进,客车到达乙地后 y=x方的点到直线y=2x+b的最短距离为根号5,求b? X^2=y上点到直线y=2x+b最短距离为根号5求b 求证2个全等三角形对应角的平分线相等! 骸音是不是被细菌污染了才成这样的 求骸音 细菌污染~ 第一大题（英语）求神的回答. 求骸音细菌污染mp3同求MV 求骸音【细菌污染】mp3邮箱：xuelixueli22@sina.com 函数y=1/（1-cosx）的值域为? 函数y=1/1—cosx的值域 求函数的值域y=cosx／（1-cosx）求函数的值域y=cosx／（1-cosx） 求证:两个全等三角形对应角的平分线相等 帮忙几个填空谢! 请问采光通风口计算建筑面积吗?是不是要按自然层计算建筑面积呢? 封闭楼梯间采用自然采光,对开窗面积是否有要求? 怎么确定符号 sin5+tan5的符号书上的解答是3/2派唉 我就是不知道为什么大于1.小于2.它就在第4象限吖 急需一份人教版高一数学必修一《集合与函数》的试题,题目要有代表性, 英语翻译The world is probably about evenly divided between delayers and do-it-nowers.There are those who prepare their income taxes in february,prepay mortgages and serve precisely planned dinners at an ungodly 6:30p.m.The other half dine happily Nobody likes to go out____ bad weather.A.in such a B.in such C.at such D.during such awhy? nobody likes staying at home on a public h______especially if the weather is fine. 首字母填空! It's hot in s____.The sun is s____.Nobody likes w____on the road.There's anice c____near our home.We often go there to see a film in the evening.There'sgoping to be a film tonignt.I____name is "Save the E____"We will e____a good evening.根据首字 0.300mol/l的H3PO4的溶液,求PH 30％的磷酸溶液PH值是多少? 填空.圆明园在 年 月 日被 毁灭.年,台湾“光复”.红军长征从 年 月到 年 月,经过 省.《 》是中华人民共和国国歌. --(填空）---you often go to work by bus?(did do)what---youraunt do?she is a nurse.(do does)all the bingo kids ----the chores at home(do have ) 完成填空后给你5分1 Niahara Falls is a famous waterfall in ( ) . 2 Canada's flag has a ( ). 3 The palace Museum is in ( ) . 4 Australia's flag is blue and the stars ( )white. 5 Canada is norte( ) the 4+4等于几