我的伯父鲁迅先生课文

万花筒猜个成语是什么? 温情（ ）填叠词 ( ) ( )独行 和 温情( ) ( ) 要填叠词 用绝对值知识来说明用一台包装机包装糖果,每袋为500克,检验员随机抽取了6袋进行检查其质量,结果如下：（凡超过500克的,超过克数记作正数；凡不足克数记作负数） 1、-42、53、114、-75、-86 绝对值具有什么性 Do you know the reason ( )she got so angry yesterday?A why Bfor Cwhich Dfor why Efor what 那What never asks questions but must be answered?lt's________谜底? He didn't know the reason__she got angry.A for that B for which C of which D which为什么选B 不选A what never ask questions but always gets answers? 若a＞1,b＜-1,则函数y=a∧x+b的图像不经过 A第一象限 B第二象限 C第三象限 D第四象限 函数y=kx的图像经过第一,第三象限,则y=-k/x的图像不一定在第几象限 It worries the couple ____ their daughter is eating less and less these daysA how B when C that D because请详细分析每个选项,我想问为什么不是D呢 函数y=- a/b x+c/b【c与a、b不同号】的图像不经过【 】 a.第一象限 b.第二象限 c.第三象限 d.第四象限 It worries the couple a lot _______ their only son is behaving worse and worse these days.A.how B.why C.that D.what选哪个,为何? Nick is their（ ）and Emma is their daughter单项选择题A.son B.girl c.cousin D.daughter随便说一说这一句话的中文意思,以及这个“Nick”在此句中是什么意思? It worries the couple a lot ______ their only son is behaving worse and worse thIt worries the couple a lot ______ their only son is behaving worse and worse these days.B.why C.that 选C ____any sign of their daughter"s school,the anxious couple turned to a policem for helpA.seeing not B.Not to have seen C.Not seeing D.Having not seen (请详细说明 什么是线性分子和非线性分子 常用的线性分子与非线性分子各有哪些? 怎么样区分线性分子和非线性分子 为什么cs2是线性分子 （1-2的平方分之1）（1-3的平方分之1）（1-4的平方分之1）•••（1-10的平方分之1） 求图片：已知x2-16x-1=0,试求下列各式的值.x2+x2分之1；x3-x3分之1 英语翻译It's an excellent Chinese cartoon,which tells the stories of happy sheep and gray wolf.The poor gray wolf is always trying hard to catch the sheep,but the sheep could always run away from the danger.The sheep are so clever and lovely that 喜洋洋与灰太狼的英文名究竟是什么?我在一本英语权威练习册上看到是happy sheep and gray wolf.可是官网 DO YOU KNOW THE YEAR IN ---- HE WAS BORN A.WHEN B.WHICH C.WHERE D.THAT NSK轴承都有哪些特点? NSK轴承的优点,好在,贵在什么地方 填上合适的词:( )薄弱 NSK轴承HJ332E,HJ332E的特点是什么? he ----there is much snow in norway these daysA：thinks B:is thinking C:thought D:was thinking 应该选哪个 我拿不准 为什么 关于中心对称（重合）是什么意思不是说两个图形位置、大小、都一样,可是一个图形旋转了180°了还怎么重合呢?定义说饶某一点旋转,这某一点是某些图形特定的某些点（比如说平行四边形