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寻找物理大师,本科就差不多了.或者是懂很多的,交流借鉴相对论与量子力学方面,不算数,只是讨论. 都知道太阳能热水器外面有一排银白色的吸热管,可是黑色比白色吸热效果好,如果仅靠热传递对热水器里的水进行加热的话,为什么不用黑色的管子而用白色的呢?我很好奇希望真正懂的来回答 玩具制造 原材料有哪些 鸟的羽毛有什么特点 愤怒的小鸟羽毛怎么得 Where is he from?(改成同义句） 鸟的羽毛是什么形状? 描写鸟的羽毛 句子,急 where is he from?改为同义句 where________he_________? where is he from ? 怎么回答? where is he from 的中文意思是什么? ___ my visit to France,I arrive ___ Paris the first.A.At ,in B.On ,at C.During ,to D.In ,on they will arrive France the morning of July 28 填介词,希望来点解析. She will arrive______Paris______the morning of July A.at,in B.in,on C.in,in D.at,on 现代老人跟90后年轻人的想法有什么区别?现代的老人跟90后年轻人的想法有什么区别 Mary can speak French ____.She expects to travel in France when she grows up.A.correctly B.good C.well D.fluently根据题意A排除,B是adj.不能用,那C和D有区别么?这是道单选题. 英语翻译Well,it seems that if Washington had accepted the command of his army under this tree he must have done so on his knees.华盛顿为什么要接受他的军队的命令呀？怎么这么怪。on one's knee 是跪下的意思吗？ 跪求有关消费心理5000字英文文献以及中文翻译 100分! 英语翻译Valentine's Day:heart it or hate it?heart 有这种用法么?常见么?还有,再问下,desist from pining for your paramour for a 英语翻译莪 の ❤ 哏 冷 ——等 锗 伱 涞 疼——Love——俄 の 芯 恏 乱 等 锗 伱 涞 慰 就是上面那句话 英语翻译The Germans in Holstein were very loud in their abuse of the Danes and Danes in Schleswig made a great ado of their Danishness.那翻译地也太离谱了吧！ My grandmother is Japanese and my mother is from France They are （bxx） I heard from my mother yesterday.同义句转换：I __ __ __from my mother.（三个空） grammar a new year,new 交通工具的谜语 英语版的 那个我知道 再来两个 儒家思想对韩国的影响韩国各个方面体现儒家思想的内容 最好有自己的见解 而不是照搬 my new friend is from france 把france画线,做划线部分提问,两种方法 对划线部分提问：My pen friend is from America.【划线部分为：America】越快越好 My new friend comes from France .改为否定句 火星上有什么作文 对划线部分提问my friend is from canda canda