黑非洲

English sky 这句话什么意思还有“英语儿歌”翻译成英文是什么意思? 有一个长方形,长增加9米或宽增加3米,面积增加了54平方米.长方形原来面积是多少平方米? 一块长方形菜地,如果宽不变,长增加6米,那么它的面积增加54平方米；如果长不变,宽减少3米,那么...一块长方形菜地,如果宽不变,长增加6米,那么它的面积增加54平方米；如果长不变,宽减少3米, 英语make life difficultlife为什么不加s?life作生活时不是可数名词吗?1.生命;生存[U]How did life begin?生命是如何起源的?2.活的东西[U]There is no life on the moon.月球上没有生物。3.(个人的)性命[C]He risked hi make a life 后面可接宾语吗? 最近最大的科学发明我的意思是那种跨时代的,例如牛顿发现引力,霍金发现黑洞这种而不是哪个国家研发战斗机,发明了省油汽车这种 以前到今天,信息化科技的变化有些什么创新?变化、创新就这样说：××→×× I don’t like the way___he talked to his mother.A.as B.that C.which D.by which I don't like ___ you speak to your mother.A.the way B.the way in that C.the way which D.the way of which选A 为什么不选D呢? China steel pipeIs China National Building Material International Corporation( CNBM) the largerst STEEL PIPE manufacturer in China? don't speak to your mother like that怎么理解 i don not like the way____you talk to me答案是that 那为什么不用which 或 when steel pipe and fittings是什么意思RT铁管？不锈钢管？and fittings是什么意思啊 double wall steel sky,啥意思? sky什么意思 已知x、y都是实数,且y=根号（2x-4）+根号（4-2x) 加5,求y的x的平方的平方根 Sky的意思是什么? Are they____?NO,they aren't they are___?A yours Zhangping B your Are they____?NO,they aren't they are___?A yours Zhangping B your Zhangping's C yours Zhangping'sD your,Zhangpings would you talk with your headmaster if you wish to complain about your teacher?Free talk 急救 英语对话 2人 2分钟 题目是《Talk about your classmates and teacher> stainless steel pipe(H-D12) 在钢铁中,stainless pipe和seamless pipe有什么区别? 汉字真是一个人造出来的吗?人们为什么要造字?请在这星期内回答, 一只小船从甲港到乙港逆流而行需2小时,水流速增加一倍后,丙从甲港到乙港逆航行需3小时.水流速增加后,从乙港返回甲港需航行（ ）小时 It’s impolite for you to a with your parents （怎么填空） Ilove my parents and _love_,too.(them,they,me,I) G.I.pipe是什么钢管? 钢管中的blind 国外询盘中带的blind pipe是什么? 20" LSAW API 5 L Grade X 46 3 LPE Coated Steel Line Pipe = 321869 MTR 急 lancing pipe什么钢管