购买外墙作业滑板

I am sure to get a good mark.(改为复合句)_____ _____ ____ _____that I will get a good mark.该写句子,句意不变They watched TV at home.They didn't see a film.They watched TV at home___ ___ ____a film. 1.-you had better say sorry to your mother in time.-No way.It is my( )A、mistake B、fault C、wrong D、failture2.（ )he is always placed first in English speech contests.He has a gift for languageand he is hard working as well.A、There is no dou 1.He will take up _______ ones if he has a lot of different tasks to choose from．A．tough B．tense C．bad D．instant2.He ______ the agreement at the meeting in public and left angrily．A．tore into B．tore down C．tore up D．tore apart(分 f(x)=根号下(X-1)+根号下(1-X),判断其奇偶性. 赤道穿过的大洲是哪几个洲? 为什么sin3x的无穷小等价替换是3x 书上的常用替换是sinx～x 我想知道怎么就通过sinx～x就能得出sin3x～x 关于等价无穷小,sin2x+sinx的等价无穷小是3x?,相乘是2x^2? 初一下地理期末试题（复习）以前的期末试卷也可,急我想找点地理期末的复习习题,马上考试叻!和我联系!不要网址!偶么时间. 赤道穿过了哪些洲和洋 赤道穿过的洲那个最小 5个6和4个0读出三个0的数有 如何把这张图飞出数字6和3求求各为高手快想吧】对了给图 求f(x)=a|sinx|+b|cosx|值域b＞0 在函数的开区间里为什么说左端点有右导数 急 4.We should prevent pollution________happily.A.from livingB.livingC.to livingD.to live5.Jane came very close_______a gold medal for Britain in the Olympics.A.to winB.winningC.to winningD.to be won6.There is _______what the weather will be likeA.not k 5 分 （）does his father go home at weekends and nor does he.A frequently B rarely C USUALLY D occasionallyThe badly injured worker should pull （） after 7-day unconsciousness.A out B through C up D with 求函数单调区间写成开的还是闭的,用导数求的时候现在晕呼呼的(～o zZ 1.-you had better say sorry to your mother in time.-No way.It is my( )A、mistake B、fault C、wrong D、failture2.（ )he is always placed first in English speech contests.He has a gift for languageand he is hard working as well.A、There is no dou 用导数求单调区间时为什么有些用开区间,有些闭区间 为什么三角函数求单调区间时是闭区间,而导数求单调区间时是用开区间? ∫x*e^(-k^2*x^2)dx 扩号里是e的次方 从零到正无穷的定积分 江河鱼游到海里将会怎样 化简：f（x）=2cosx(sinx-√3cosx)+√3 求化简过程,把F(x)=sinx(sinx+2cosx)+3cos平方x化简成sin(wx+z) f(x)=sinx/2cosx/2+1/2sin(x+π/2)化简 导数的应用（函数最值） 求一篇作文 《迈过这道坎》600字记一件事 一列数：9/16,3/8,1/4,1/6,……按这样的规律排列下去,接下去的两个数应该分别是( ),( ). 有一数列1,-2,3,2,-4,6,3,-6,9,接下来的三个数为? 如果某用户5月份应交水费51元,那么该用户用水量多少吨?第一级水量核定为每户每月0吨至18吨（含18吨）价格为每吨1.2元；第二级水量核定为每户每月18吨至25吨（含25吨）价格为每吨1.8元；每 如果某用户5月份用水量为23吨,该用户应交水费多少元?第一级水量核定为每户每月0吨至18吨（含18吨）价格为每吨1.2元；第二级水量核定为每户每月18吨至25吨（含25吨）价格为每吨1.8元；每户 如果某用户应缴水费51元,那么所用水量是多少吨?急!为了鼓励市民节约用水, 对居民生活用水实行阶梯式计算水价,具体是：第一级水量核定为每户每月10吨至18吨（含18吨）,价格为每吨1.2元；