很长一段时间以来，文学__________了，文学家们似乎都已经退隐到超凡脱俗的文学世界里，或

1、一轮船以16海里1小时的速度向东行行,另一艘轮船同地同时以12海里1小时向北航行,经过2小时后,它们相距海里.2、若直角三角形的三条边是三个自然数,其中有两边的长分别为6和10,那么这个三角形的第三条边长是. 数学

英语翻译I had a conversation with the mirror,It ended up not having much to say,It said today was for the lovers and believers,I hate to tell you,it just ain't your daySo this is my rain song,It's cold outside and I still love you,Guess I was dead wrong,You find out when there's clouds above you,Finding it ain't worth losing you,When it all comes down,it comes down to,This lonely rain song,You're on my mind and I still love youI had some complications with the voices,'Round and going 'round inside my mind,I used to think this heart had lots of choices,But they all lead to your doorstep every timeSo this is my apology,My words,my tears,are all of me,Laid out in front of you,Like the thought were true on a sunny afternoon,This is a song for youI still love youI had a conversation with the mirror,It ended up not having much to say请人工翻译, 英语

2013年四月专四参考答案那里有?

自动控制原理中阻尼比ζ对超调量δ﹪的影响,当ζ=1时,为什么超调量为0? 数学

一桶原油等于多少公斤 数学