某体系在失去15KJ热给环境后，体系的内能增加了5KJ，则体系对环境所做的功是

英语翻译she saved what little money she earned to help this old lady Do you have a small mouth?no,I don not .I have a wide ______.A.it B.one C.that 选什么,为什么? Ihave a small nose and a wide mouth怎么该成否定句和肯定句?Ihave a small nose and a wide mouthAmy is ten Amy has big eyes and a small nose这几句都怎么改成否定句和肯定句啊?有没有开头用Yes和No的？ growing up的小短文词汇不要太难了.100字. I have a big nose ,( ) a small mouth.A and B but C to 选什么? 关于growing up的作文30字 帮我取一个英文名,我是个男孩.按照我的名字改吧,我叫王大海.最好是带D和H字母的英文名 我的名字字母含z y 起什么英文名字好听啊 我是男孩 一元八角七表示什么意思 If you find your soul mate,you should cherish him.Because there is only one in you life 南瓜用英语怎么说 请问“wynn”怎么读啊?Wynn是我的英文名,但我还是不知道该怎么发音,那位亲知道的帮帮忙啊!最好把音标也带上,跪谢!1.2.3.Only 13 forever！ Winona/Wynona 和 Wynn/Wynne 如何发音Winona/Wynona 和 Wynn/Wynne 的音标各是什么? Wynn怎么读?,还有更好的吗? Mary was heard ----just now .what happen?Johe was telling a joke .A.cry Bto cry C,laugh D.to laugh为什么? wynn怎么读呢?可以做女生英文名么? Mary was heard ( ) just now ,What happened A cry B to cry C laugh D to laugh george was heard ----(cry)just now.what happened? He was heard_______just now.What happend? What the hell和What the fuck有什么区别? 在线等during__century,the world population has already reached 60 billion填the twentieth 还是twentieth what the fuck.what the hell.还有what the什么? " what the fuck is ..." 和 " what the hell is ..."的用法?这两句的 " is " 后面可以直接加名词吗?这两句那句更强烈点?一般在什么地方使用,该怎么使用? 结尾是win发音的英文名字中文名字是纹纹,想求个英文名字后面结尾是WIN发音的=-=女性用=-= Win跟Deswin能当英文名吗?Win能当英文名吗?或者谐音也可以 还是有什么是好运或者福气之类的能当英文名的Deswin这个呢?单用WIN当英文名的话,在外国会被笑话吗? Linda,make sure the tables____ before the guests arriveA.be set B.set C.are set D.are setting为什么,请解析, 可不可以用"WIN"或者是"WINNER"作为英文名? 【【急】】I am not sure______.Which of the following is NOT right?A.which club I shall join next term B.how much sleep we need every dayC.hoe life would be like without hobbies D.why he always feels tired in class 英文名取win chen 英文名有限制吗? [-A52] Linda,make sure the tables ______ before the guests arrive.A.be set B.set C.are set D.are setting翻译并分析 What ______ if I drink this?选项:a、happens b、is happening c、will happen d、is happened ------- 请问What happens?与What happening?的区别?二者之间的用法?