甲烷和二氧化碳反应

8听半径为3cm的啤酒,有两种方案排列包装,请计算这两种方案所用包装箱的底面积,判断哪种方案节约方案一：3 2 3交错3排方案二：4 4交错2排 甲乙两物体做匀速直线运动,它们的速度之比为3:4,路程之比为2:1则它们的运动时间之比为( )一辆汽车以72km/h的速度匀速驶向一隧道,汽车在山洞前某处鸣笛后继续行驶,2s后司机到了从山崖反射 What is the ___ of milk?怎么写?-What is the ___ of milk?-One cup.A.teaspoon B .recipe C.amount D.instruction 一辆卡车车厢底面积是4.8平方米,装运一种长方形状的包装箱,包装箱的棱长分别为0.6米,0.4米,0.5米,如果放两层,这辆卡车最多能装多少个包装箱 猪是什么颜色 如图,在△ABC中,BD⊥AC于D,CE⊥AB于E,点M、N分别是BC DE的中点.求证：MN⊥DE 运用有关哲学原理,谈谈当前反腐败的重要性以及如何反腐败才能收到实效. 猪是什么颜色 的 猪都有什么颜色的呀? 什么是天下无敌?今天看了一个对天下无敌的解释,回味无穷.希望诸位说下自己心中的天下无敌是什么.给天下无敌下个定义.有新意的哦. He likes music.He wants to be a_____(music). 天下无敌最早是指谁? 什么样的人才是天下无敌呢? he wants to be a .he likes teaching kidshe wants to be a .he likes teaching kids sound,practice 可数吗还有advance可数吗 I like dolls.一般疑问句 l like dolls.改成一般疑问句 丰发果品商店运进2500千克桔子,卖出90筐后,还剩下250千克.原来共运进桔子多少筐要具体 水果店共运来香蕉和橘子700筐,现在的香蕉已出售1/3,橘子已经卖出220筐,这是两种水果剩余箱数一样多,求香蕉和桔子各运来多少筐? A：HOW MANY ____ can you see in the following pictures? B: Three. A.buildings B.animals C.boys是不是题目出错了? you,in,How,the,many,pictures,can,house,see.（连词成句）快 为什么地震时动物搬家 How much are the pictures转换同义句 动物怎么搬家? Although he has become rich,he is still very ___ of his money.具体如下,说明原因Although he has become rich,he is still very ___ of his money.A.economic B.thrifty C.frugal D.careful although he is old , he is still very much_____ A. living B.live C.alive D.lovely选什么,为什么? rarather you than me 的you是主格还是宾格? wants.to怎造句 Do you let him ()(write) their homework 水果店运来苹果5筐,橘子8箱,每篚苹果重X千克,每箱橘子重Y千克 .用试子表示出来共运来多少水果千克 英语同义句转换 I'm not very healthy,although I have one healthy habit 讲就天下无敌,做就有心无力 的含义?这句话的含义是什么?