卤代化合物

高中的抽象函数怎么解? 谁告诉我四级听力对四个能得几分?谢谢 y=log3(x^2-4x+7)的值域 BAIYOKE SKY HOTEL RESTAURANT怎么样 can't believe it fol链接 Can't Believe It (feat.Pitbull)空间链接要能用啊 雅思作文推荐用书听说《十天突破雅思作文》很好吗?还有有没有剑桥雅思的范文? 到了外国一般要多久可以学会. 17岁什么英语都不会,去外国能学会英语吗?我现在初2,4年后就要去美国了.可是我英语常不及格,到了美国能学会英语吗?要学多久?我真的很担心. tax withheld是什么意思 如果在国外呆几年 真的能学会英语吗?很多人都说身边朋友一点都不会 出国没多久就学会了我现在有些外语基础 出过后也会认真的学.真能成功吗?是呆美国 - 1.Cave paintings in France and Spain,however,are in recesses and caverns far removed from originacave entrances.2.Great Britain had large amounts of coal; however,there were not yet efficient means by which to produce mechanical energy or to power ma 英语翻译原句出自一则新闻：Manchester United FC winger Nani looks set for a spell on the sidelines after dislocating his shoulder.“look set for a for a spell 是“一段时间”，set 在这里作什么解释？ It was so noisy at night ( )I could hardly sleep.A SO B but CWhat D that Cotton is often ____paper.A.maden into B.made of C.made from paper is often made()wood.A:by B:in C:of 要说原因. 底扫,即底片扫描,怎么用英文表达? 请问“宾至如归”怎么用成语的意思我明白.印象中,这个成语是接待方或者是第三方使用的.“宾”这个字是对客人的敬语,而客人若自己说出“宾至如归”未免不妥.能否说出“感谢XXX对我宾 宾至如归的故事? 翻译admission registrar 宾至如归怎么样 “超前消费”如何翻译? 一个句子可以同时理解成主谓宾结构和主系表结构吗? 凤凰于飞是什么意思 美国人为什么超前消费? 英语句子是不是除了主谓宾就是主系表? f(x)=log3^(-x^2+4x-3)值域 At that afternoon,you came to see me.but when you came ,I was running away .Because i was afraid to急、、、、、、At that afternoon,you came to see me.but when you came ,I was running away .Because i was afraid to see you.And i was dissatisfied he posed ,lifted his arms and was about to dive off when the attendant came running up . step-mom什么意思 除了宾至如归,还有哪些形容服务好的成语