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三角函数：已知函数f(x)=2√3asinxcosx-2a(sinx)^2+b(a>0,b∈R)的定义域为[0,π/2]值域是[-1,8],求实数a,b的值通过分解可得f(x)=2asin(2x-π/6）+b-a请写出接下去的解题过程 詹姆斯奈史密斯英文简介 this is the place where you can play sports. this is the place where we are visiting.this is the place where we are visiting.这个定语从句中关系词where,visit也是可以当不及物动词来使用,能否用关系词where? 英语翻译This is the VOA Special English Economics Report.Few people had ever heard of the natural elements known as rare earth metals before a recent dispute between China and Japan.Yet these metals are used in devices like smartphones,flat scree 分析句子：I studied at this place where I spent three years.是什么结构?什么从句?老师说这个句子很容易让人迷惑,让我们自己查.听她的意思可能不是定语从句. I know London as the place where I spent my childhood.中的as 作什么成分啊?整句话的意思呢？ 求一篇创模环保征文. hello everybody!if you have something to say,then say!if you have nothing to say,go home!这是牛B英语 打一皇帝用说的话 “Hey,buddy!If you have something to say,then say!If you have nothing to say,then go!”大家翻译下,说是要把这句话翻译的高贵优雅有内涵! If you have some thing,say!If nothing,go home! 英语翻译The offer involves one hundred twenty million dollars worth of technology for nine hundred satellite-guided bombs. 英语翻译这是一voa的英语听力,别人听出来的,可能有点错误,如果你很牛的话把错误改过来吧.文章不是很难.President Bush has tried to hold the line across the board when it comes to this Congress try to resaxes on th 英语翻译Scientists at the Fogarty International Center in Maryland say more work in the area of implementation science could bridge the problem. 电感量如何计算? 计算电感量这是计算变压所需要电感量的主要公式假设dt（占空比不变） UL(加在电感两端的电压不变),求电感器,怎么计算出来电流越大L需要的电感量越大? 选用所给的词语填空(注意形式 ） where what when how why whose which ____book is this________is the weather like today,________do you come from.________were you born? In may.1990________do you often go to school ? on foot________is heavie 用what,where,how填空 ( )is this?t is''k''. ____ is this?-----This is Jim.A.Who B.Where C.What我觉得是A，可是又好像不通 ----_______is this?----this is our language lab A、What B、Where C、How 环保创模 我想对你说 Hey,buddy!If you have something to say,then say!If you have nothing to say,then go!这句话能翻译的华丽些吗? “Hey,buddy!lf you have something to say,then s“Hey,buddy!lf you have something to say,then say!lf you have nothing to say,then go!"谁能翻译成中文 朋友发的 哪里有voa慢速1分钟英语新闻 浏阳有哪些美丽的景色 求浏阳河畔风景的赏析文章, 景色优美的桥有哪些 the stars agree with your love as long as this is really what you want什么意 I have nothing to say是哪首歌里面的啊歌词啊 I have nothing to say我不懂英语,我想知道这句话的意思, I have nothing further to say. I have nothing to say to you 结构中TO YOU是句子什么成分?