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更多“Fe（CO)42-+H3O+→？”相关的问题
第4题
在落叶中含量会显著减少的一组矿质元素是_____。A．C、H、O、NB．Mn、P、Fe、ZnC．N、P、Mg、KD．Ca、Fe、K、Mg
在落叶中含量会显著减少的一组矿质元素是_____。
A．C、H、O、N
B．Mn、P、Fe、Zn
C．N、P、Mg、K
D．Ca、Fe、K、Mg
第5题
在柱面坐标系中，已知时f=z，求函数f使A=pcos φeeρ＋feφ满足div A=0．
在柱面坐标系中，已知
时f=z，求函数f使A=pcos φeeρ+feφ满足div A=0．
在γ-Fe的溶解热。
第8题
This year they have produced ______ grain ______ they did last year.A．as less... asB．as fe
This year they have produced ______ grain ______ they did last year.
A．as less... as
B．as few... as
C．less... than
D．fewer... than
第9题
The ________ you are, the________ mistakes you’ll make.A. careful…fewB. most careful …fe
A.A. careful…few
B.B. most careful …fewest
C.C. more careful…fewer
第11题
Which of the following isn't mentioned in the three advertisements？A．Marriage.B．Male or fe
Which of the following isn't mentioned in the three advertisements？
A．Marriage.
B．Male or female.
C．Education.
D．Working experience.
