nn+1的收敛性

请问这是什么,明信片还是什么? 请问这是什么,是明信片还是什么? 有首歌是什么 明信片的 是什么歌? 什么语言英文最后两个字母是th Are there any food in the house?词句对错? 设f(x)的定义域【0.1】 求下列定义域 f(e^x),f(ln(x)),f(arctanx),f(cosx) ( )( )th( )括号内填什么英语字母 f(x)=arctanx/3 定义域求以上函数的定义域.谢谢 ()()()()th括号中各填一个英文字母, 我想找洛阳孟津的亲.孟津有什么高中么?如题.希望是在孟津上学的.最好高三的.交流下心得.我需要一个那里的朋友.男女不限.（注：额是女女）麻烦把你的QQ留下好么? I would like weeping with the smile rather than repenting with the cry,when my heart is broken ,is 河口,孟津分别在哪 完成句子.A.Hello!__your name,__?B.My_______yang fan. Tere are three ducks_the tree. 英语sb.用什么词性?我是指sb.在某短语中用什么词能替换.比如：ask sb to do sth ,这里的sb.用什么词能替换?有什么注意的? tare sb.apart tare sb.apart 不是tear,我在一首歌里看到这个词组,tare是称毛重,可无论怎么查都查不到tare sb.apart,本以为是歌词错了,可查到的英文文章居然也有这个词组,有人翻译是离某人远去，但没 求一兄弟网名,五个人,带英文,搞一点. 哥哥姐姐帮我起个英文名字吧我的真名是王加中,我是个男孩子的哦!（不要弄错了）如果按照中文名字起得英文名字不好听的话,那就帮我找几个适合我的英文名吧! 选词的适当形式填空 have ,be ,talk,read,score ,playEvery morning he --------sports in the playground.____Paul and Mike often ____about their lesson.where ___your friend?He ___at the tennis court.Do you know how ___tennis.yes like,go,have,be,play,do,read的第一人称,第二人称,第三人称各是什么答好追加100分 the person at the door为什么不说the person is at the door?The book is on the desk.we are on the left.都有系动词．为什么就这个没有．还是这句话是错的? eat a balaced diet to stay healthy.的意思 in the museum,we saw the model of a house designed by the pioneers and built____ woodand brick.A.up B.on C.of D.by请说明为什么这么选的理由,其它的为什么不对呢, In the museum ,we saw the model of a house designed by the pioneers and built ________ wood and brick .A.up B.on C.of D.by 吃均衡的食物以保健康.Eat a ___ ___ to stay healthy. The baby has been named Richard but is called Dick by them.改为主动 here that people called me baby中文是什么意思 what a baby whale called?为什么? combs their PINK HAIR SALON怎么样 英语口语考试,只用几句话就好了（好的话再加）1.Is it necessary for the Chinese to celebrate western festivals?反对2.What are the advantages and disadvantages of marrying a foreigner?缺点3.Should campus love be banned?反对4.Do 要考英语口语了,有几句话不大会,做一次LASIK以后,你以后就永远不用换新眼镜了.做了LASIK以后,你可以随时游泳,踢足球,不用再担心眼镜的问题.要考英语口语了,老师让介绍LASIK的好处,我想出来