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英语选择提 ______ the students______ their English teacher has been to England.They say they will go there some day.A .neither nor B.both and C.either or D.not only but alsoThe more English newspaper you read ,_____ you will do in your English . 人教版高中英语必修1、2、3、4、5,选修6、7、8、9、10,课文+单词mp3.要最新版的! 小学数学天天练五年级第130页85.87题怎么做 4页0.8*5= 1.3*7= 13.2*4= 2.8*5= 3.5*4= 1.08*7= 0.9*9= 0.63*3= 1.1*6= 7.2*8= 5.2*3= 4.17*4= 3.06*8= 7.5*2= 1.007*6= 1.25*8=0.25*4=0.02*5=2.4*5=16.5*8=16.1*8=5.5*2=2.59*8=5.15*2=0.5*6=1.9*9=3.54*6=8.3*7=5.22*5=2.25*8=3.025*4=1.8*5=2.3*7=1.6*7=0.25*3=1 小学数学5年级天天练55页怎么做? 在上课时睡着了,这节没弄明白是：f：A→B不明白（将粗俗易懂点）还有定义域和域值的知识点 谁知道这道题用简便计算怎么算：（-1*1/2）+（-1/2*1/3）+（-1/3*1/4）+...+（-1/2006*1/2007）只要简便算 高一数学证明函数增减性的 【紧急求助】已知不等式|x-1|≥kx对一切实数x属于R都成立,求实数k的取值范围 2012年6月浙江省大学英语三级哪里可以查分?有历年试卷吗 急...浙江省大学英语三级听力题哪有? 证明函数增减性的问题已知定义在R+上的函数f(x)同时满足下列三个条件：(1)f(3)=-1；(2)对任意x,y属于R+,都有f(xy)=f(x)+f(y)；(3)x>1时,f(x) 证明增减函数已知函数y=f(x)是奇函数,在(0,+∞)内是减函数,且f(x) 证明函数增减性,证明f(x)=2的x次方-4的x次方在[0,1]上单调递减 证明函数增减性f(x)=-3x+4在R上是减函数 谁有八年级下英语作业本的答案啊 问一些杂题.（物理,英语）1、夏天小强从游泳池里出来,冷得直哆嗦,这是因为水______,可是他却惊奇地发现,旁边的一只小狗却在伸出舌头,不挺地喘者粗气,这是因为____,这样可以增加______并且 经过点（1,3）其切线斜率为3X^2的曲线方程? 高中数学必修一《集合》的表示有几道题,1.方程2x+Y=5(X∈R,Y∈R)的解集,用描述法表示（下同）.2.集合﹛1,根号2,根号3,2,根号5.﹜还有一题：设集合G中的元素是所有形如a+b倍根号2（a∈Z,b∈Z）的 高中数学题,求解析过程和答案? 请帮忙分析正确选项,It`s dangerous here.Please take the children to___.A.safe B.be safe C.safety D.safely请重点分析B和C选项. 写错的那三道 为什么我爱你,你不爱我 问一道英语选择问题?-----her father was born in june,Dodd chose to hold the first Father's Day celebration in Washington on June 19,1910.为什么选as,不用for呢? 证明二次函数f(x)=a(x平方) + bx + c (a 一道高中数学函数与不等式证明题已知函数f(x)=—cosx,g(x)=2x—π,x1∈[0,π],g(x(n+1))=f(xn),求证:|x1—π/2|+|x2—π/2|+|x3—π/2|+……| x(n+1)—π/2|＜π(n∈N*)其中n与(n+1)均为脚标解析或答案能上图最好 已知直线x=a为函数y=f(x)的一条对称轴1求证 f(x)=f(2a-x)2如果x=b(a>b)也是函数的对称轴 该函数是否有周期性 并证明 提问一道英语选择The train _____ she was traveling was late.A.which B.where C.on which D.in that是选C,为什么不选A, 英语选择一道 提问The roof feel ___ he had time to dash into the house to save his baby.A.as B,after C.until D.before 1.Could you tell me ____ answer to this problem?I can't work it out myself.A.an B.the C.不填2.He ____ less time reading stories about film stars than before.A.takes B.spends3.-How do you know that she likes singing -I often hear her ____ after clas 1.i was ______ out to visit my aunt in the nearby town ______it began to rain heavily.A.about to go,whenB.about to go,whilec.to go ,asD.to go,until2.i know how to _____the boy work if you ___me take care of him.A.let,makeB.let ,letC.make,letD.make,wa 不要只给出答案,还要给出解释说明为什么选这个,These circumstances were far from being ordinary and Smith hand a ______reason for being here personally.A twofold B couple C bilateral DdoublingIn other words,all mammals,_____ their s