耳畔的意思

求（（1+x²）²）的导数 有没有公式呢我知道可以看成是（1+x²）*（1+x²） 然后再求导 有没有公式可以更简单的求导呢 y=tg²x/2 是由什么含数复合而成的?怎样求导?好象答案不对,应当是tgx/2 sec²x/2 What about the job offered do you find the most attractive?拆分句子,What about 后不是不接句子么？能说What do you find the most attractive about the job offered what impressed you the most about the countryside?what impressed you the most about the city? “the people are very_____(relax) for his mother every year.” 写十个水果的音节词两个汉语音节 一篇暑假阅读心得.“要在扉页书写有文采的暑假阅读心得”题目是这么要求的,可是光看她题目一点感觉也没有的,《钢铁》的就算了,太长了,我想400-500字的样子就够了,具体也没怎么要求的 暑假社会体验感想求一份在 橡皮坝 上的 社会体验 文章.要求 700 - 800 字 之间 我还是高二升高三的…… 心里现在感觉有点悬 我我还是高二升高三的…… 心里现在感觉有点悬 我现在应该怎么做呢 暑假心得随笔是什么意思? 暑期打工心得纠结啊,高中生还要写这个,大家给点意见,怎么写啊 he always exercases in the morning 同义举句he aiways 两个单词 in the morning 9．Is this the reason________at the meeting for his carelessness in his work?A．he explained \x05B．what he explainedC．how he explained \x05D．why he explainedA　划分句子结构啊是定语从句,怎么才可以是B呢12．In the first seve 求句子结构解释!这个定语从句有些不理解Long descriptions of the different types of ware exist that assist in classifying pots, although these sometimes confuse an already large and complicated picture."that assist in classifying pots" 英语提问：以下这句话是不是定语从句并作句子结构说明?急The pilot circled the balloon, under which there was a basket containing three men, one of whom was holding a pair of binoculars.主要是under which和one of whom的用 I assure u / you have my word / i cross my heart / take my word for it/ 都可以表示向某人承诺意思吗这些都有区别吗？ Don‘t fee my word .Can you take my hnds.急.一定要赶快啊 英语翻译 其实我不是青春无悔,我是一生有憾. What I like best about this job is being outdoors,这句话中being是什么用法 I don't konw how to get the bus stop改错 beijing is where i like best还是beijing is what i like best __is the now coat?-It's 200 yuang.A how many B how much C how old D how how old is the girl?it is a sixteen怎么翻译? cut是什么意思 Look,she ( ) on the computer.这个play是用什么形式的.说一下为什么把. 英语翻译如题 Buried in my heart of a word my heart in of terasure "这个问题我会"用英语怎么说? 主修课程..英文翻译..谢谢主修课程：管理学,市场营销,财务管理,经济法,饭店管理原理,旅游经济学,中级商务英语,旅游市场营销,旅游企业投资管理等主修课程：普通心理学、社会心理学、人 英语翻译