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【简答题】
已知 [Ni(NH 3 ) 4 ] 2 + 的磁矩为 3 . 2 B . M . ,(已知Ni的价电子构型为 )根据价键理论, 中心原子的杂化轨道为 ,空间构型为 ,中心原子的配位数为 。
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【单选题】In the silence of my room , I could hear my grandparent’s voices _____ they told stories about our hard-working and brave family .
A.
that
B.
which
C.
as
D.
since
【单选题】We _______ to paint the whole house but finished only the front part that day.
A.
set about
B.
set up
C.
set out
D.
set down
【简答题】根据《国务院组织法》规定，国务院发布行政法规由()签署。 A总理 B主管部长 C秘书长 D国务院法制局局长
【单选题】The Moonstone was ________in a real story which ________in England in the 1790s.
A.
set; taking place
B.
setting; take place
C.
set; had taken place
D.
set; took place
【单选题】He _____ to paint the whole house but finished only the front part.
A.
set off
B.
set out
C.
set on
D.
set in
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