九十九猜一字

第十七题,用化学式,谢谢 SD敢达重牛SS的重牛 国服 现在没有了 以后会有吗 他和V敢达有什么区别 已知集合A={1,2},B={x｜x2-ax+(a-1)=0},若B含于A,求a的值偶刚接触这类问题 比较迷惑 还望解释的浅显些 高一数学求解析式问题已知函数f(x)是定义在R上的周期函数,周期T=5,函数f（x）在[-1,1]是奇函数,f(x)在[0,1]上是一次函数,在[1,4]上是二次函数,且x=2时,函数有最小值-5.(1).证明f(1)+f(4)=0(2).求f(x)在[1 读句子,想象练习.1.“瑞恩的第一项工作是为地毯吸尘.哥哥和弟弟都出去玩了,瑞恩干了两个多小时.”在这两个多小时里,他是怎么度过的呢?请写一段话描述一下.2.“爷爷知道了瑞恩的梦想,雇 SD敢达SS机国服现在出ss了? M,N分别为线段AC,BA的中点,且C是线段MB的中点,线段MN=6cm,则线段AM=?cm,BM=?cm 怎么用鸭毛生产羽绒?需要什么设备?怎么用鸭毛加工羽绒,需要什么设备?另外1Kg鸭毛能加工多少羽绒? 请问哪个公司生产鸭毛加工成羽绒的专业机器设备 羽绒服鸭毛味道怎么去除,很难闻.需要洗几次才能去除 已知线段AB=20cm,C为线段AB上一点,且AC:BC=2:3,M是BC的中点,则AM等于（ ）cm 羽绒服上的鸭毛味怎么去除 物理很难吗?物理要怎么学呢? 童趣的最后一段的翻译 为什么炮弹或子弹打过来时卧倒会减少危险? 子弹和炮弹杀伤人的原理 怎么运用“隐隐约约、沉静、静谧、连续不断”四个词语写一段话?（顺序可以打乱） 拓展延伸,谢谢了 带球撞人,和阻挡的区别 坦克炮弹和普通的大炮的炮弹有什么区别啊弹头是一接触到装甲就爆炸吗,还是打穿之后再爆?还是一边穿一边爆啊? 已知三角形ABC中,分别以AB.AC为边向三角形ABC 的形外作正方形ABDE和正方形ACFG,連接DF,已知三角形ABC中,分别以AB,AC为边向三角形ABC 的形外作正方形ABDE和正方形ACFG,連接DF,過DF的中點M作MN垂直BC于 "学会"学会的英文怎么读和怎么写 拓展延伸怎么写? 英语翻译I try to catch butterflies to take to the party I'm having today.Scootaloo and I get pinwheels to give to the guests. 英语翻译His love celebrate acceptance and love,whether she succeeds or fails.His love celebrates her success and calms her pain.说错了，是这个。部分原文Don't worry about not getting the raise!You are sure to get it anyway sooner or la 一个图形旋转过后什么变了?什么没变? 英语.最后10道单选,请高手再帮下题号:1 Do you play football as well as your brother?____________________________________.a、He doesn’t play football.b、We both do.c、No,he doesn’t.d、Yes,I do.题号:2 The new machines are being _ 英语.还是10道单选,请各位大侠帮下忙题号:1 “I would like to have a look at your cameras before I decide on one .” “We have several models_____ .” a、for you to choose from b、for your choice c、for the choice of yours d、fo 英语.10道单选,题号:1 To your delight,she quickly _____ herself to the new situation.a、acquainted b、exposed c、adapted d、devoted 题号:2 The real trouble ___________their lack of confidence in their abilities.a、lies in b、lies on c 谁有空帮忙做十道英语单选啊 梦见自己生两条蛇是什么意思 英语翻译The poplar tree is found in many places in the northern half of the world.It is a fast growing tree that requires a lot of water.Different kinds of poplar trees are native to Asia,Europe and North America.