7

细菌保存数据阅读题答案!急啊!大神告诉一下 利用三角函数证明 【COSa-SINa+1】/【COSa+SINa+1】等于 【1-SINa】/【COSa】 设0 高中三角函数题 1/sinA+1/cosA=4/31/sinA+1/cosA=4/3 求cos2A请问怎么做比较快答案是负四分之根号七 请问如何排除正四分之根号七书上说答案是四分之根号七 我刚才打错了怎么排除的另一解？ this is the place -----i have ever been to应该用 where,还是that 来引导,这里i have ever been to a place ,a place 是在句子中作宾语是吗,所以用that,这是我自己的写的句子.还有go to a place 求英语作文：the most interesting place i have ever been (1/2)英语语法问题:this is the place which( where ) I have ever visited 用wh 三角函数中的sina和cosa怎么区分关系 This is the best book I have ever read.这里为什么不在I前加that或着of啊 this is the most interesting book that I have ever readI have _____ read ______ an interesting book before.(该为同义句)To play with snow in winter is a lot of fun.(该为被动语态)_____ _____ a lot of fun to play with snow in winter. 选折题:This is the most interesting book____?A.that I have ever read B.which I have ever read. “我不后悔说过那些话”的英文翻译 英语翻译 英语翻译 英语翻译I knew little about English when I first came to America．So I went to a language school every day to 1 English．One day,during the break,I asked one of my classmates a question．When I tanked her for it,she said," 2 ．It's a piece of 中国陶瓷用英语怎么说Chinesechina吗? 吉姆的一张照片英语怎么说 吉姆、露西和曼纽尔的决心（决心的英语翻译：resolution）用英语怎么说 中国为何用"China"表示? 为什么在英语里表示“中国的”的意思有时用Chinese有时用China's?如题. 请问中国的英文表达有哪些,除了chinese还有哪些表示与中国相关的?我记得还有sino,还有哪几个呢? 求have you seen that girl这首歌的MP3或WMA地址. have you seen the girl____A.that I told B.I told you of C.whom I told you D.I told you of her 选哪个?为什么? 1You are the most beautiful girl that I have ever seen.同义句 You are_____ _____ _____ ____ that Ihave ever seen before.li lei is taller than the other students in his class.li lei is taller than __ ___in his class今天的天气多好啊!What ___ 定语从句4.Have you seen the girl____?A.that I toldB.I told you ofC.Whom I told youD.I told you of her我不太懂为什么要用of这个介词~ You are the most beautiful girl that I have ever seen. 已知角a的终边在直线y=-4/3x上,求sina,cosa,tana的值 Have you ever seen that movie?--Yes,when I was in Tokyo,I（ ） it three times.这一句连同上一句是一个选择题的题干,选择项为：A.saw B.had seen C.have seen D.would see是选A吗? have you ever seen been tosingapore?这篇课文的翻译 — Have you ever seen anything like that before?— No,_____ anything like that before.[ ] A.I never have seen　 B.never I have seen　 C.never have I seen　 D.I have seen A为什么不行啊. 我们可以怎样保护水资源?要用英语来说,我要做作业, Have you ever seen that beautiful night其中的一句歌词 歌曲叫什么