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下列关于钠的用途不正确是是A制取烧碱B冶炼稀有金属时做还原剂C制取过氧化钠D在原子核反应中做导 Beijing was made host for the 2008 Olympics这个句子对吗?不是应该改成：Beijing was made to host for the 2008 Olympics或：Beijing was made to be host for the 2008 Olympicsmake改成被动语态不是要加to吗? No hurry,the best always appears accidentally 请问：Beijing was made host for the 2008 Olympics这句话中怎么用了was和made两个过去式呢? 哪位大人告诉下我always the Beijing was made host for the 2008 Olympics.中的be made Always ask for the 翻译好点 世界上内河航运能力最发达的河流 俄罗斯东部有许多大河,但是内河航运业并不发达的原因, 俄罗斯的河流众多,为什么内河航运不发达?一个原因,一个! 我国内河航运最发达,运输量最大的河流是 Beijing is the W___ of 2008 Olympic Games如题.还有一体:Sometimes she felt s___ at noon.So she always took a nap.注:字母的多于与_的多少无关 The Offcial of the Beijing 2008 Olympic Games.的意思!不要废话!只要意思! 拜年的作文怎么写要200字左右的,不可以100字 3d 中edit poly 和 edit mesh 的区别? 英语没过六级进银行还有戏吗?我很想进银行,学财务的,但是英语六级考了两次都没过,请问高手进银行还有戏吗?还能进什么银行啊.我没关系,进银行干什么都成. 3D poly.mesh怎样分ID 行政财务总监英文怎么说! 谁能给我几篇关于拜年的作文! How to install fabric air duct system?I heard that fabric air duct is a innovative ducting i,the installation method is much simple than metal duct.this textile duct installation can save much time and cost,make the workers who are at jobsite very qu % dispersion 英语翻译now dispersion is unit matrix这是在matlab一个程序里的一句注解,我不懂那个dispersion怎么翻译? Don’t get your schedule ________; stay with us in this classA) to change B) changing C) changed D) change为什么选C Don't get your schedule ___; stay with us in the classAto change B changing C changed D changeB 不是挺好吗 为什么不选啊 Don't get your plan ___ ; stay with us today.A. change B. changing C. to change D. changed tell me your schedule for class with me . IS this schedule suits your convenience 怎么回答啊? 下列说法中,错误的是（）.A.人类目前所直接利用的能量大部分是由化学反应产生的B.煤、石油、天然气是当今世界最重要的三种化石燃料C.我国目前最主要的能源是煤炭D.人体运动所消耗的能 拜年(作文)怎么写? 怎样写拜年这作文 求互相关爱的作文,要表达出真情实感 具体写出人物的【动作语言神态心理】这四样,求求你们了!急用!写陌生人的关爱 密西西比河航运量大于亚马孙河的原因.如题是人口还是经济