因材施教是什么意思

add sth up和add up to和add sth to sth的区别,用法,意思等? 用像……又像……造句,至少15个字,好评. 几道数学问题,额.偶不太会,请各位数学高人多多指教.（回答好的加5分,只限今天,急用）(1)甲乙共有450元,甲取50元给乙,则乙是甲的3倍,甲乙原来各多少?(2)快慢车同时从相距40千米的两地相对开 一道初三数学题,各位大虾多多指教啊!向阳村2001年的人均收入为1200元,2003年的人均收入为1452元,求人均收入的年平均增长率. i need to know歌词翻译,是第一句是Where is the land I come from的那一首 add...up的用法详解请说全,主要是add..up加介词的用法 When i am at home,I often sit___ the big floor cushions and look ____ the beautiful beaches.My house isn't very big ,so I share a bedroom______ my brother.There is a bridge____ that bridge.(填介词 翻译sit on the floor 有一句歌词是...I need to know where I be alone...超级演说家20131010最后的一段背景音乐,断断续续听到这么几个词try too hard pl..to my voiceI need to know where I'll be aloneyou can bring my...side meCould it be a sit on the floor为什么不可以说sit on floor?the在这里做什么用?还有,为什么不可以说What`s problem? 关于add 的用法最好有例句 My family and I often sit on the balcony.这句话中的My family 是不是指家庭成员? 读了《维也纳森林的故事》和《楼兰的忧郁》,你有怎样的感触?写一篇读后感 函数y=(m-2)x2+2mx+m+3的图像与x轴有交点,秋m的取值范围 11丶12求解析 11*12*13*14高一英语 add up`add up to` add…to` add to这些词的区别RT 对联：明月一池水,清风? 对联 “爽借清风明借月”快急救 还有其他的答案吗 明和月有关呀 “清风诗苑”对联：秋老枝优绿【一兮清风】出句：秋老枝优绿【一兮清风】 （我页面还有很多对联,有兴趣的可以有选择性的对一对.放心,为防止问友被陷害,每个人每天选择不会超过两个, 把“清风细柳,淡月梅花”改写成五字对联 把“清风细柳,淡月梅花”改写成五字对联 把“清风细柳,淡月梅花”改写成五字对联 若函数y=(m-2)2-2mx+(2m-3)的图像总在x轴下方,则实数m的取值范围是? 五年级上册语文书生字表 一年级上册语文书生字表2 They didn't prepare the speech contest like that,but it-----very well.A.kept out B.gave out C.left out D.woked out如果知道答案,请说明理由. They didn't prepare the speech contest like that,but it ___out very wellAkeptBgaveCleftouDworked 急求解Didn't bob get ready for his English speech? NO, he didn't. During his speech he was very_A. excitedB. worriedC nervousD confident到底是 B 还是C 呢? 谢谢 "ordering capacity"怎么翻译(化学领域), 求翻译：capacity seats航空业中文叫什么? capacity to adopt怎么翻译比较好 英语翻译Rexnord supplies the largest gear couplings in the world for low-speed,high-torque applications or wherebore capacities of 10” to 52” are required.求翻译后面那个52是什么参数