设生产函数Q＝KL，K和L分别是是资本和劳动的投入量，其价格分别为PK和PL，试求相应的成本函数

There were some birda in the tree.(改为一般疑问句) she can speak quite fluent English.she___.A must been in the USA for timeB must have been in the USA for some timeC should have been in the USA for some time D May be in the USA for some time Now You Can Speak Fluent English They are having a good time in the park now.(改为同义句） They are _____ _______ in the park now. THEY ARE HAVING A GOOD TIME IN THE PARK改为同义句 I like English very much and I can _____(say还是speak) it well He _____ (like)English very much .急死了快,明天交 loud、much、dangerous的反义词是什么? i'm the only thing i'm afraid Never gave in Never gave up I'm the only thing I'm afraid of.No matter whatNever gave in Never gave up I'm the only thing I'm afraid of.No matter what you'll never take that from me.My reign is as far as your eyes can see.翻译 懂英语的朋友们请进!New Paris fashions are introduced into Shanghai every year 请问这句对吗?翻译（巴黎的新流行样式每年都被引进上海）新概念视频授课看到的句子,不明白,introduced是动词,为什么前面 (十万火急)我挑了好多英语名,可是不知道选那个好听,懂英语的,朋友请进来替我看看,选那个好吧(男阿)ST,VAM,AE,TH,TR,VI,KV,RAIM,比如相这种.AA,BB,XX..这类型的呢 选哪什么好阿,假如有比我这个更好 (十万火急)我挑了好多英语名,可是不知道选那个好听,懂英语的,朋友请进来替我看看,选那个好吧(男)ST,VAM,AE,TH,TR,VI,KV,RAIM,比如相这种.AA,BB,XX..这类型的呢 选哪什么好阿,假如有比我这个更好听 Edison's monther taught him a lot ,and found him ____ (interest ) in science .interested .为什么 edison's mother found him a clever boy的同义句edison's mother found him____ a clever boy ride a bike是什么意思 ride a bike 汉语是什么 how to ride a 柳州市园博园的作文500字以上 首字母填空：Dike is mother a___him to buy some vegetables . help的过去式是原型吗 什么是世界语?哪个国家说世界语? there‘s no time —————— A.play B.to play C.playing D.to playing选哪个?为什么呢?什么句型? they are having a good time___games?空格处应该是to play还是playing there is a supermarket next to the post office .还有there is a park next to the supermarket 、Across form the school is a restaurant 、Next to the restaurant is a library? 世界语是什么语言?在什么国家或地区使用?3Q 求星火英语美文100篇四级MP3.买回来发现光盘不可用.官网我已经去了,但是不可下.直接给MP3文件不胜感谢.505663346@肖婵编的。第一篇是 生而为赢。505663346 星火《英语15篇文章贯穿4级词汇》怎么样啊我要考英语四级,但我的英语基础是在是不敢恭维,背会这本书能让我过四级吗 我背东西太慢怎么办我背东西慢 而且忘得也快 别人二十分钟记下来的东西我要用一个小时 别人看一遍就记住的 我被好久也记不住 我一直在锻炼我的记忆力 可是似乎没有什么效果 这是什么搭配 the very mother herself cannot recognize him the very mother 这是什么搭配 kidnap到底是不是以重读闭音节结尾的? It was very diffcult with his mother to get him to take a bath翻译翻译这句子``急!