管理人员晋升推荐理由

在四边形ABCD为矩形,BC垂直面ABE,F为CE上的点,且BF垂直面ACE,证AE垂直BE设点M为线段AB重点,N为线段CE中点,证MN//面DAE 求英语B级单词库级啊,各位大哥帮个忙关键是我初中英语还蛮好的结果上次考给了我个59分我晕了 【X-3】的立方-64=0 求X=多少 关于最简二次根式的化简题. 1.已知2的x次方=3,求2的x+3次方等于什么2.负的x的n-1次方乘以括号里负的x的n-1次方括起来 等于多少3.n是正整数,计算括号里负2括起来的2n+1次方加2乘括号里负2括起来的2n次方的结果是什么? 1.编写函数integerpower(base,exponent),这个函数能够返回下面这个表达式的值：base^exponent例如integerpower(3,4)=3*3*3*3.假定exponent是正的非零整数,base是整数.函数应该用for循环来计算过程,不要使用任何 科学发展观是第几代中央领导集体提出的 已知4a2+b2-4a-6b+10=0,求(2/3a√9a+b2√a/b3)-(a2√1/a-5a√b/a)如题, ( ) are the students waiting for?A.Who B.Whom用哪个 观察下列一组分式;-B/A,B2/2A,-B3/3A,B4/4A,-B5/5A,第(N+1)个分式为 The teacher is waiting for the students___A.leaves B.left C.leaving D.to leave 请问Jim asked Lucy where sha was going.的句子成分where sha was going在句子中充当什么成分?是直接宾语吗? 计算【5x的4次方*3分之3-5的3次方*3的2次方+5的2次方*3】除以15 求1/(√x+1)+1的不定积分 求1/x(x+1)的不定积分 Tim was a very poor boy ,but now he is very rich .Every dog has its day .(question:“Every dog has its day”翻译成汉语意思是什么?） 1过A（-1,3）且和两坐标轴围成的三角形是等腰三角形的直线方程2过P（-1,3）且两坐标轴组成三角形的面积为2,求直线方程.4直线x+3y+m=0和3x-y+m=0的关系. 已知f(x)是二次函数,且满足f(0)=1,f(x+1)-f(x)=2x,求f(x). 比较a^+b^ 和2a-8b-17的大小 比较a2+b2与2(2a-b)-5的大小 the poor boy is r_____to the king.so he can be rich very soon.如何填空还有 Mr.clark makes a l_______by selling small souvenirs.Their coach was t______between the match and friendship .He doesn't know what to dothe host says "every guest must ma He came from a family.The family was very poor.改为复合句.He came from a family was very poor 某公司推出了一种高效环保型洗涤用品,年初上市后,公司经历了从亏损到盈利的过程,图中的二次函数图像（部分）刻画了了该公司年初以来累计利润s（万元）与销售时间t(月）之间的关系（ (y+1)(y+2)(y+3)-7乘8乘9 分解因式 (1十40%）X乘0.8-X=3.6 x:40=0.6:1.6 广东八年级下册物理第一章主要学什么? 已知函数f(x)=ax2-c满足-4 已知函数f(x)=ax2-c满足-4 X+8/X=40 已知2的2n+1次方+4的n次方=48,则n=_______. the boys are playing with their friends.their friends提问