已知关于x的方程x平方-2mx=-m平方+2x

must I go to visit them before 11 o'clock? No ,you ____ A;mustn't B;needn't C;can't D;shouldn't帮下忙 兄弟 说说为什么 谢谢 -When will the second class begin?-___ two minutes.填什么?为什么? 要一篇英语作文.（My Travel） 无脊椎动物神经系统的进化趋势是（）A无神经--腹神经--神经网--梯形神经B梯形神经--腹神经--链状神经C无神经--神经网--梯形神经--链状神经D梯形神经--神经网--链状神经 以动物的循环、呼吸、神经系统之一为例,阐述生物进化过程中,生物体的结构和功能是 Do you like football?Yes,Ilike it very much Yes ,I like ___ __.同义句是同一句yes,I like it very much .yes,I like it_____．－－－－－－－ How doyou like football?是否还可以用 How much do you like football?回答是very much You like football very much.______的倒装15.You like football very much.______.A.So do I B.It is the same with me C.I do too D.So I do请问选什么,为什吗 小心翼翼像这样的词有哪些帮个忙啦!我很被动哦~~~~~~~~~`` 像(小心翼翼)这样的词还有哪些? 像小心翼翼这样的词还有哪些 像“小心翼翼”这样的词有什么?（3个） 一篇80词左右英语作文,Introduce Myself好像是关于自我介绍的,详细信息名字高迎轲,外号高高可,爱好是电子游戏和读书,特长是绘画.希望在高中多交朋友,急...... 谁知道向小心翼翼这样的词语? 哺乳类动物的神经系统的主要功能是什么 哺乳动物的神经系统有什么构成 翻译"I don't like people much.And they don't much like me..."中文的意思 请问吃什么食物可以营养大脑神经系统 在运动中 神经系统起什么作用 什么食物对神经系统比较有好处? 怎么写自我总结啊?有什么格式要求吗? 五(1)班和五(2)班同学去公园玩,公园门票每人5元,30人以上(含30人)的团体票为每人3元,五(1)班和五(2)班同学都不足30人,且人数相等,于是两班合起来买团体票,这样节省了100元.1.两班各有多少人?2. 什么的秋天到了树叶像什么落下来 ( )6．—______ do you like Chinese food?— Very much.A．What B．How C．Why D．When maybe some of you have seen what are you going to do next sunday?__ A I am sorry BHere you are C I have no idea DSorry to heae that 为什么树叶在秋天会变黄色? How's it going?Maybe you have fortgotHow's it going?Maybe you have fortgotten me but I don't care.I always remember those days we spent together.But everything has changed a lot and I have to admite that it is a reality.Whatever you thought before,I Terry's mother kept telling Ted not to tell lies ,but ------didn't help maybe i have liked you 什么树叶是黄色的? I like to listen to my mother stories（tell）这里用tell还是telling?