发动机1吨推力等于多少千牛

西班牙语中al和ar,el和er,il和ir发音怎么区分 they went to bed after they finished their homework.（同义句）they went to bed ___ ___ their homework. 已知函数f(x)=logax在区间[2,+∞ )上|f(x)|> 1恒成立,求a的取值范围 已知函数f(x)=logax-2x^2,当x∈(0,1/2)时恒有f(x)>0,求实数a的取值范围 I have joined the club since three years ago 一个等腰三角形上的中线把它的周长分为13.5cm和11.5cm,求它各边的长度等腰三角形没说是不是直角的最好写出过程尽量用小学或初一的知识原题如下：等腰三角形一腰上的中线把该三角形的周 --- How long have you been collecting coins?--- ________.A.Since 5 years ago B.Since 5 years C.C.In 5 years D.When I was 5 一块木板厚度为1.2CM 宽度为5CM 长度为1200CM,问一立方米是多少根这样的木板,求公式 the swimming club opened two years ago（用since two years ago 改写)the swimming club ____ ____ ____ since two years ago. How long have you lived in Suzhou?A.Since two years ago B.For two years ago C.Two years ago 膜制氮机膜组对压力有要求吗?压差至少为多大?假如无热再生干燥机后直接连接膜制氮机,能正常工作吗? 吸附式干燥机两塔不能循环再生和干燥是什么原因 ______you are thirsty,you can buy some water in the supermarket.(空处填什么啊) 英语翻译是一道题的要求 小孩子的好像longjiang3714说的比较接近~ needle trace 在木材英语中怎么翻译哦? use the conversion below as a model这句英文怎么翻译? 初二英语书上的练习题题目,麻烦翻译一下:look at the list words below.circle the past of speech of each word and make your own sentences with these words. 长方体土豆地一块长方形土豆地长与宽的比是5：3.已知长比宽多28米,这块土豆地的面积是多少平方米? 6分之X=3分之Y=4分之Z2X+3Y+4Z=29 问一道数学题,悬赏50分.有两筐土豆,大筐里的土豆.有两筐土豆,大筐里的土豆比小筐里多31个.如果从小筐里取出7个放入大筐,则大筐与小筐中的个数比是7：4,现在大筐里有土豆多少个?至少用两 数学题.晓晓为了测量土豆的体积,先将一个土豆削成长5cm,宽4cm,高2cm的晓晓为了测量土豆的体积,先将一个土豆削成长5cm,宽4cm,高2cm的长方体,并用天平称出这个长方体重25克接着用天平称出要测 color the letters that are the same 急.要一篇关于《落叶颂》《梅花颂》《竹颂》其中一篇的作文.800字.不要书上的. 翻译：Cross out the letters that are the same as the first letter of the things in the boxes. 请帮我翻一下Cross out the letters that are the same as the first letter of the things in the boxes. Cross out the letters that are the same as the first letter of the things in the boxes.The letters left spell a word. 有一箱土豆,连箱共重19,8千克,拿出一半后连箱重10,2千克,问:土豆重多少千克?箱子重多少千克? 平均海拔最低地形以平原为主三面环海气候宜人的大洲是哪个大洲? 哪个大洲海拔低地形以平原为主三面环海急 用 They play tennis造句 shirt发什么音? 100元能买多少CF点