不安全物的因素

此情可待成追忆?下句?我想知道它是谁写的 正诗是什么? 此情可待成追忆,的下一句 四季代表星座一共有哪些 四年级作文秋天 wall very a is famous it连词成句 求一首歌名 只记得歌词是：忘了你 忘了我 忘了明天的…（不记得是忘了明天的什么了）谁知道啊 sinA=120 sinB+sinC最小值怎么算 我只记得中间段有句歌词是:我的世界一片漆黑,看不见明天.记得你说最爱下雨天.歌名有谁知道 a+b+c=2π 证明sina+sinb+sinc=4sina/2sinb/2sinc/2 一年四季北半球中高纬分别可见哪些星座?有简单的该星座形状图案更好,希望能够得到您的帮助,感激不尽! 什么样的星座一年四季都能看到有助于回答者给出准确的答案 北半球的人能看到那些星座? 已知a是第三象限角,则sina/2cosa/2的值. 为正.为负? 若sina-2cosa=0,则2sinacosa-5cos²a+2sin2a²-2sinacosa-5cos²a+2=？ sina=2sina/2cosa/2 这是什么公式啊? 举例说明我们了解的世界遗产的必要性.最好是埃及金字塔或巴黎圣母院.快,急死了急死了 举例说明了解外国世界遗产的重要性 说明我们了解外国的世界文化遗产的必要性 用be supposed to 和 be not supposed to 造句,不用太复杂,两句不同就好.、 英语翻译暖春之旅的英文怎么翻译啊急 Don't forget you once owned of things.Let those lost find back Some people, some things, not to say forget to completely forget. Many people, many things, perhaps say goodbye never see. The thing that we want to get is always the best for us.It's the best forever what you cannot get .. it is always the best thing to be alive这句子没错吧有助于回答者给出准确的答案 Don't forget the things u once u owned.Treasure the things u can't get.Don't give up the things t Don't forget the things you once you owned.keep those lost things in memory.Don't give up the things that belong to you and treasure the things you can't get. 《黄生借书说》的 中心是什么? (1/2)sinA=2-2cosA 怎么求sinA Although he is considered a great writer,_____.A.his works is not widely read B.but his works are not widely readC.however his works are not widely read D.yet his works are not widely rea为什么选D 不选A He is a great writer.He has a beautiful m____ ( ) is known to the world , MARKTWAIN is a great American writerA.ThatB.WhichC.AsD.It选哪个?为什么? 《黄生借书说》中“说”的意思