不等式恒成立问题解法

In Press,Corrected Proof, time and china planning press是哪个出版社 急求一篇英文作文!题目是the press in china一百字差不多就可以！ Staying in a hotel costs ________ renting a room in an apartment for a week.A.twice more than B.twice as much as C.as much as twice D.much as twice as 选哪一个? Staying in a hotel for a day costs renting a house in the country for a weekStaying in a hotel for a few days costs___renting in the country for a week A twice more than B twice as much as C as much as twice D as much twice as 是AB双选么 staying in a hotel for a day costs ____ renting house in the country for a weeka).twice more than b).the price twice of c）.as much as twice d).as much twice as 26.独立主格前有since可以吗?有人说可以 如since the vacation being over ,I went home. 郑和、康熙帝、郑成功、戚继光 （1）综合上述历史人物的事迹,把其分为两类,并写出分类标准（2）任选一位历史人物,介绍其突出事迹,并写出从他身上能学到什么优秀品质? 戚继光、郑成功、康熙帝有什么共同之处? 藏族在唐朝时被称为什么? Shakespeare's Birthplace and Exhibition of Shakespeare's World Article in Press是什么意思?以及与accepted还有unpublished的区别?(特指发文章时) 世界博览会（World Exhibition orExpositon）的简称英文简称. 镰刀形细胞贫血的基因诊断方法有哪些?给出四种不同方法 this lamb's very good. 求助:bec高级口试第一部分需要准备一段自我介绍吗?(请考过的人说明一下真实情况) 不胜感激……bec高级口试第一部分是做自我介绍?还是只回答考官提的问题就行?第一次报考BEC高级考试,对 英语翻译 翻译Why don't you go get some of those Earth plants I see growing around here? 饲养场里有x头水牛,黄牛的头数比水牛的4倍多5头,则4x+5表示（）3x+5表示（）5x+5表示（） 温故而知新英文怎么说?rt 英语中"温故而知新"怎么说 biuetooth是什么意思 support service的中文意思. BIUetooth是什么 Miss Li是李小姐的意思吗? ____ I leave now,Miss Li?Yes,you____ .Bye!A.Can,canB.May,mayC.Can,mayD.May,can A tomato is on the table?(改为复数句) Why are you looking at him for a long time的同义句 Are those my pens?回答（　）,（　）（　） 求人帮我做一下 父母无荫什么意思啊 谢谢了! 父母有荫是什么意思 “父母无荫”是什么意思?“父母无荫”是什么意思