我想对老师说的话100字

已知a属于(2011π,2012π),且sin(a+2011π)=根号3/3,则cos(a-2012π) 描写的草原的古诗 双曲线x^/b^-y^/a^=1的两条渐近线互相垂直,那么该双曲线的离心率是? 双曲线x^2/144-y^2/b^2=1的两条渐近线互相垂直,那么它的离心率为? 七年级下生物练习册（四川教育出版社）第三章 人体的呼吸 第三节 空气质量与健康答案（P28~P30） 我听到外国人说,how long have you live there?你住在那儿多久了?但我认为应该是 how long do you live there?这两个句子有什么区别? How long have you been there? 我国地形特点对地理环境和经济发展有何影响 Tom was very poor,but now he is very rich.Every dog has its day. a rich man named Miser appeared in front of Tom．named是什么成分?为什么用ed形式?a rich man named Miser appeared in front of Tom．named是什么成分?为什么用ed形式?是形容词做定语吗? 数学.若双曲线x²/a²-y²/b²=1的离心率为√3,其渐近线的斜率为 若f（2X+1）=X方—2X 则f（3）=? F（X-1）+F(X+1)=X方-2X,求F(X).急/, Tom was such a clever and lovely boy that everyone liked him.和Tom was such a clever and lovely boy as everyone liked.有什么不同 Tom is ___ clever boy and___boy everyone likes to be with选项：A a;aB a;theC the;a Dthe;the Tom is very clever,so everyone calllshim a w no one can help ______Tom;he is suc a lovely boy.a.to likeb.to likingc.likingd.like 已知f(x)为二次函数且f(x+1)+f(x-1)=2x方-4x.求f(x) 若f(x)=2x-√(x方+4x+4),则f(a)=?! 数学f(2x+1)=4x方+4x 求f(x)的表达式 X的平方减16大于0的解集 X-3分之X-1大于0的解集 2X的平方-3X小于0的解集（这个 前面两个只要结果 今晚的月亮又大又圆怎样改成拟人句? 今晚的天上月亮很圆啊!改写成拟人句 He likes English very much.中likes用得对吗? 将方程 -1/2X + Y=1中 X 的系数变为5 ,那么方程应该变成什么 把方程2x-3y=1中x的系数变为-6,则方程变为什么? 如果反比例函数y=k/x的图像经过点(-2,-1),那么当x>0时,图象所在象限是 如果反比例函数y=k/x的图象经过点（-2,-1）,那么当x>0时,图象所在的象限是? -What does the notice on the wall say?-'No person ___take books out of the reading room; otherwaise he would be fined'A.willB.mayC.shall 只有一个地球第1自然段最后一话运用了什么修辞手法? What does the fox say?