银和铜的导电性

5、中彩那天 是呀,中彩那天父亲打电话的时候,是我家最富有的时刻.为什么说这个时候是我家最富有的时刻呢? 巴尔扎克什么（）学家,哪国?爱默生（）学家,哪国?快 by that time 为什么不是 从那以后 的意思? The letter is _____ （tear） into pieces . who do you think ___ the letter into pieces?A tore B tearing C torn D to tear不明白为什么不是用主动B选择呢? Since it takes more than 10 years for a tree to grow,we must start using___paper now.A.many B.few C.fewer D.less.原因. You must wrap hombao in red paper because it's lucky.怎样提问 pick up有哪几种意思? ．一套服装原价100元,涨价10%以后,又削价10%,现在售价是（ ）.（a）、101 （b）、100 （c）、110 （d）、99 one加一个字母,变成另一个新词,并写出中文快 It might seem that speaking politely is more difficult than being direct.It might seem that speaking politely is more difficult than being direct,and in a way this may be true.这句话前面能理解,但后面的“in a way this may be true”要表 old改一个字母,变一个新词,写出它的中文 口角的拼音是KOU JIAO还是KOU JUE 翻译：the lady asked the boy if the dog could bite her. people could not transport them easily====could not ------- -------easily I was not mature enough.would you please forgive me? 说出位于北方地区的省级行政区域单位及其简称,行政中心?各位地理大神,帮我好吗? 中国的北方地区有哪些 消失的楼兰古国给我们的启示是什么 中国北方地区的省级行政区及行政中心有哪些? 岷四字组词 岷组一个词, 如何交朋友-How to Make Friends 我想和世界各地人交朋友I want to make friends后面有3个空I want to make friends（）（）（）就是翻译 设点P是三角形ABC内一点（不包括边界）,且AP =m AB + nAC ,m,n∈R. 请问：为什么m+n Please call me Alice.just knowing you care makes life a little easier.would not you meet me? 已知在三角形ABC中,2AE=EC,P为BE上一点,且满足AP=mAB+nAC（m,n＞0）,则1/m+1/n的最小值为 achieve和accomplish有什么区别? 问下,finish off 和finish有什么区别?都有完成的意思吧?两个意思一样?麻烦举个例子. finish\achieve\accomplish都是“完成”的意思?如何区分使用? The dog______(run)after acat not. Hurry up!The fierce dog is ___(run)after you.