为什么铁离子比铜离子的氧化性

短语开头要大写吗 短语开头大不大写 短语的开头用大写还是小写? Every morning there are lots of people_____(wait)at the bus stop 英译汉 It's not a good idea to ask very personal questions when you meet someone for the first time 英译汉She's going to get a part-time job after school. piano-one great musical instrument. 英译汉sadly,she is actually a much bigger name today than she was during her time. Only three more months to I'll only stay if you offer me more money.翻译 They stood___and ___for the bus.A.there,wait B.to ,wait C.there,waited D.here,to wait 英语翻译以上那句话看起来应该是“你不能试图背对逃生口救火.”但是又感觉不通,为什么不能背对逃生口呢?到底怎么翻译啊?感觉背对逃生口的话也可以倒退着出去啊？ Why are they standing there They’re waiting for their parents ____ .A to come B.coming C.come D.comes They are waiting for a bus to come (同义句转换) our peole masks faces are we over and who wear do not we know 城市未来馆英文怎么说? 城市未来馆 用英语怎么说?世博会的 城市未来馆 古来圣贤皆寂寞.后来什么来着? paint our faces send sb to/into sleep 使进入状态 (①Sometimes) they paint (②their) faces. ①___ ___ ___they paint their faces．②___　___　___they　paint　sometimes． "要是冬天已经来临,春天还回遥远吗?"是谁写的? put the letter in order put the following senntences in the right order 请问这样表达正确吗?they don't know many people looking at they for many years,people don't know why they don't want to change their size帮我翻译 欧洲四大半岛中,分布国家数目最多的是 欧洲四大半岛中,哪个半岛素有“欧洲火药桶”之称? 欧洲四大半岛,哪个温度较低温度相对更低的是哪个半岛,求解, 欧洲四大半岛? There was( )time( )I hated to go to school.答案是a;when.第一个空为什么填a而不是the Tom's left leg was hurt yesterday,so we would_Tom_Jack in tomorrow's matchA replace;with B substitute;forC replace;for D substitute;with要原因 Tom在去办公室的路上意外伤了左腿.Tom had his left leg ()()()on the way to his office