【单选题】需要口服磺胺类药病人,护士嘱其服药期间需多喝水的目的是
【单选题】The US border with Canada is the ______ in tile world.
A.
longest defended border
B.
longest undefended border
C.
longest undefined border
D.
longest coastal border
【判断题】从圆柱上底面上的任意一点到下底面上任意一点的距离,就是圆柱的高。
【判断题】配合物[CoCl 2 (NH 3 ) 2 (en)]Cl中,中心原子Co 3+ 的配位数为5。( )
【简答题】在配合物[CoCl(NH 3 ) 5 ]SO 4 中,[CoCl(NH 3)5 ] 2+ 是____,SO 4 2- 则称为外界。A. 内界
【单选题】The word 'fib' in the fourth sentence of Paragraph 5, probably means ______.
【单选题】In the fourth sentence of first passage, the word 'outdated' can be best replaced by ______ .
【简答题】写出[CoCl(NH 3 ) 5 ]Cl 2 的名称()。