400iu等于多少毫克

BEC中级课本听力MP3 人邮版急求人邮版BEC中级课本听力,30分酬谢! directly与straight有什么区别 what did the old woman tell her husband 初二英语单选You should throw( )these chairs and buy new( ).You should throw( )these chairs and buy new( ).A.off;ones B.away;oneC.many;ones D.out;one正确答案是C,我只是凭语感蒙对了,语法是什么? 关于新概念3:in the midst of which flowed a great rivera very agreeable situation located with two small hills in the midst of which flowed a great river可否将in the midst of which flowed a great river改为:in the midst of which a great river D-√（D²-L²）≤L/100+0.1 求L与D的关系求L与D的关系既是L≥**D这种关系.必须有关键解答过程,不能直接提供答案.D-√（D²-L²）≤D/100+0.1 开始题目有误 There ______ died in the terrible fire in Luoyang last winter.A.hundreds people B.hundred people C.hundreds peoples D.hundred peoples There a fire in the woods 这里为什么有a啊. There the tall tower of St Mary'Cathedral stood out_____the blue sky.A.against B.in C.toward D.above.答案是A,为什么? 即使不会xxx我还是很担心会xxxxx 英语 such as,walking or riding a bike to school,use cloth bags instead of using plastic bags and so on.这个句子中,such as,与and so on ,可不可以这么用?这个句子 such as的用法对么?后面walk是不是应该用动名词?such as和for exam xxx具有xxxxx（这里很长）的特点-------用什么句型合适? your brother's wife It's zero hour.All teams execute on my count.(to all) Let's get this bad boy on the road.get this bad boy on the ____this road and you'll get to the cinema.____this road ,you'll get to the cinema.A.to follow B.follow C.if following D.Following那么应该选择哪个,为什么?D.following after Please be my brother's Please be my brother's go___this road ,you wil get to the bus station. 自我介绍卡是写什么的,是写姓名XXX 出生日期XXXXX 还是一段话那样子的? 等我睁开眼和太阳再见,这算又XXXXX走了一日……在XXXXXX的日子里,在XXX的世界里的我能做些什么呢?只有徊罢了,只有XXXXXX罢了.这句话的XXX们分别是什么,就是这句话完整的是什么? 于令仪不责盗翻译 go to tuxedos to go是什么意思还有piling on the hugs bu shi wo pengyou ba Way to go. 文言文《于令仪训盗从良》翻译 go to the... way to go的to go是什么作用 “虎见之,庞然大物也”与“忽有庞然大物,拔山倒树而来”（《幼时记趣》中同用“庞然大物”,写法相同吗?请陈述理由 《幼时记趣》“庞然大物”是指(),这是相对()而言的,"拔山倒树"中的"山"指（）“树”指（） ok,can't ask you that what you come from? 上面那篇首字母怎么做 谁有白马寺大雄殿的导游词只要大雄殿的,最好是自己写的