1-cosxxsinx导数

how many peoples are there in your family哪错了? How many peoples are there in your family?（找错） A(How many)B( peoples)C( are )there in your family?(填序号 )_________(改错)还有一道:A(who other )B(will )C(come to )your party?( )__________把正确答案写在横线上 ok and when i said r u i meant r u hornyrt 我改怎么回答 请问李煜一斛珠中向人微露丁香颗,颗的读音是什么? bring的几种用法是? homework,housework可数吗 "homework"与"housework"的区别,前面能否加"the" 英语单词HOMEWORK和HOUSEWORK怎样读 甘蓝当中含有花青素吗》 甘蓝当中含有丰富的花青素吗? 紫色玉米中含有花青素吗 紫色食物富含花青素,能有效抗衰老吗? e-mail message的汉语意识是什摸 It is not concerned about face .Despises you 汉语言文字学和中国古代文学就业前景哪个好,说说您的原因 汉语言研究对对外汉语教学所起的作用 怎样能让自己的声音变的好听一些?我在练习英语口语.可是总是觉得自己的声音很难听. 请问：我的英语口语很难听,如果想有一些突破?怎么能改变一下?诚恳的请求 用remain造句 remain的adj 请问 It's not good bey 是什么意识? “蒙汉情深何忍别,天涯碧草话斜阳.”的意思. There are a lot of staff or there are a lot of staffs There are ()rooms in the building a.a lot b.lot of c.a lot of There are some children heiping the old.改为单数 槐树怎么能死 She's quite good,very lovely She's quite a pretty girl的同义句是什么 she is quite the oddbod是什么意思 请问晒图机用的氨水哪里可用买到,货运公司承运吗? 凤仙花可以泡水喝吗?