宿舍环境差

李奶奶买三千克苹果,王奶奶买了2.6千克,王奶奶少付6元钱,每千克苹果多少元 奶奶买苹果奶奶买了一些苹果,第一天吃了1/3又1/3个,第二天吃了剩下的1/4有1/4个,第三天吃了剩下的1/3又1/3个,这时还剩3个苹果,奶奶买了多少个苹果 良好的语言环境该如何创造 如何为幼儿创造一个良好的语言环境 甲车的速度先当于乙车速度的七分之九,就是甲车速度比乙车的速度（）求算式 28.- English is hard to learn,isn't it?-I don't think so.________ more words and expressions,and you will find it easier to read and communicate.A.Knowing B.Know C.To know D.Known 29.We have found out the old in the village ________.A.requires caring 问三道语法题目25.The company said as well as giving customers faster internet,4G would also be _________ big benefit to businesses.A.for B.of C.with D.to 26.Instead of having to choose one or the other,we can benefit from ________ of the appro 问三道关于语法的题目31.The scientists have made an exhaustive study of the virus ________ many people have been infected.A.to which B.in which C.with which D.for which 32.The Swedish academy announced in Stockholm on October 11 that Mo Yan A 29 B 30 B 增根是什么 求角acd的面积 求△ACD的面积 刚才那个问题,△ACD的面积怎么求啊? 1-5题答案 TRNA除了反密码子不同以外,其他自身的碱基相同吗?TRNA除了反密码子不同以外,剩下的20种TRNA的碱基都相同吗? —— Daddy,can you buy me a new MP3 when you go to Beijing?---- You ___ get one if you are admitted to a key middle school.A.could B.shall C.may D.can请问答案是什么,我选的是A,C,为什么?错了错了，B 不是 C 不好意思。为什么 He tried to get rid of the man who _____him but in vain.A.had followed B.has followed C.was following D.would followIs this research center___you saw the modern 设备 last year?A which B that C the one that D the one where as strong as a horse中文是? 高一语法题一题4.The man ____has arrived .A.whom I told you B.that I told you C.whom I told you about him D.I told you about选哪个呢? 一个tRNA上有几个碱基?A.3个B.很多个 as strong as a horse/in the 1 高一对数函数的填空题哦设a>0且a不=1,则函数y=a^x和y=a^-x的图象关于 对称. 4.5.6.7.8.9 4.5.6.7.8.9.10 4,6,7,8,9急! 日光灯接线,两根线在一端的好,还是分两端的好?日光灯两根线在一端的好,还是分两端的好?我以前买过两根线在一端的,不知道哪一种的好,是两根线在一端的好还是分两端的好? 中国很多大城市名字的由来原因例：洛阳,因处于洛水北面而得名,因为古语有云：“山南水北曰阳”故称之为洛阳.贵阳,顾名思义,阳光很贵,因为这里常年被冷锋控制,而冷锋由于云贵高原的阻 我国各大城市的称简的由来? 《黄河颂》“它表现出我们的民族精神”中“民族精神”是什么? 将菩萨蛮(小山重叠金明灭)改写成散文.400字左右, 求歌词：后宫甄嬛传 《菩萨蛮 小山重叠金明灭》MP3 已知椭圆的短轴长为4倍根号3 离心率为1/21 求椭圆方程2 设直线L y=kx+m与椭圆交与B D两点 与双曲线x2/4-y2/12=1交E F两点 问是否存在直线L使得向量DF+BE=0?若存在 指出这样的直线有几条 若不存在