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帮我做下面这三道题（不能用方程）1.共20道试题.做对一道得5分,没有做或做错一道题都要倒扣3分.刘刚得了60分,他做对了几道.2.小华用二元五角钱买了面值二角和一角的邮票共17张,问两种邮 1.2+√3 2.√2+√5 3.√2-√3 精确到0.01. 求帮做下这3道题 these apples are very expensive.do you know ()?A how do they cost B how many do they costC how much do they cost Dhow much they cost为什么选D不选C? how much does the coat cost(i did not know)Can you tell me when we will visit New York改为简单句 贬义词骂男人的 骂人的贬义词有那些? 骂人的 贬义词 boob是脏话（骂人用）或贬义词么?有没有单纯地描述女性胸部,但只是在描述性感? 一个智力题,有兴趣的来看看条件：如图,用一条线把这个图里面的圆连起来,划去的那个圆不能过,不可以重复,不可以斜着走.必须把里面的园全部走完,任何一个地方当起点都行. I spend 30 yuan buying this book.同义句转换 I （ ) ( ) 30 yuan ( ) ()this book . 一位杰出人物的童年故事所有杰出人物都可以,除居里夫人,注意,一定要短一点!今晚就要, i spent 5 yuan in buying this book 其中buy是短暂性动词,怎么可以用于这个句子中的呢 童年的人物形象 英语翻译Provide a pleasant andeffective user interfaceTheuser interacts with the operating systems through the user interface andusually interested in the look and feel of the operating system.The mostimportant components of the user interface ar 请好心人帮我翻译一下 谢谢! 英语翻译When I arrive at a test,I often find students flipping test pages at the last minute trying to cram it all in at the end.You would be better off trying to relax,meditating a little,and clearing your mind to allow yourself the ability to c Alice,is this your dictiongary?Let me see.Oh,no.——is in my shool 的翻译 Is this your book No __(I) is in my bag 童年人物（阿廖沙、外公、外婆）性格及事例（各三个） That's his dictionary.怎样改成___ ___my dictionary. 童年中的人物性格外祖父：外祖母：阿廖沙：“好事情”： 童年主要人物和表现人物性格的事例 形容人做事果断的褒义词,和夸耀的贬义词形容人做事果断的褒义词,和形容人和夸耀的贬义词对了，忘记说了，试卷上要求各写个8个，这试卷明天就要交了，T What's the diffenences between Chinese movie and American movie?In English,please!Thank you very much! From the 1910s to the 1950s hollywood was the film centre of the world please write your name 【】 the paper三点水 这个问题对么不对请帮我改过来 please write your name at the top of paper First ,you should write your name on the paper.__ __ __ ,you should write your name on the paper改写下列同义句 He _____ the nice kite for 10 yuan.A. paid B. bought C. spent D. cost这题怎么做啊?帮帮我哦,感谢啦! I ______ the mouse for 18 yuan in the supermarket.A.paid B.bought C.cost D.spent我认为此题选B ,有认同的吗 You can not imagine how much I ____ on this dress.A paid B took C cost D spent 选什么,为什么?