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【简答题】
（本小题满分12分）函数数列
满足：
，
（1）求
； （2）猜想
的表达式，并证明你的结论.
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【单选题】已知室温Agl的Ksp=8.51×10-17，[Ag（NH3）2]+的Ksp=1.12×107，则此时有关下述反应的结论正确的是（）。
A.
K=9.53×10-10
B.
K=7.60×10-24
C.
K=1.32×1023
D.
只要氨水的浓度足够，Agl可以溶解于氨水之中
【单选题】How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathered...
A.
unless
B.
however
C.
although
D.
even if
【单选题】How much sleep does a person need?【B1】the physiological bases of the need for sleep remain conjectural(猜想), rendering conclusive answers to this question impossible, much evidence has been gathered on...
A.
As
B.
Despite
C.
While
D.
Whether
【单选题】How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathered...
A.
extend
B.
range
C.
alter
D.
rise
时，
时，
时，
时，【单选题】软件工程开发的可行性研究是决定软件项目是否继续开发的关键，而可行性研究的结论主要相关于( )。
A.
软件系统目标
B.
软件的性能
C.
软件的功能
D.
软件的机构属性
相关题目：
【单选题】已知室温Agl的Ksp=8.51×10-17，[Ag（NH3）2]+的Ksp=1.12×107，则此时有关下述反应的结论正确的是（）。
A.
K=9.53×10-10
B.
K=7.60×10-24
C.
K=1.32×1023
D.
只要氨水的浓度足够，Agl可以溶解于氨水之中
【单选题】How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathered...
A.
unless
B.
however
C.
although
D.
even if
【单选题】How much sleep does a person need?【B1】the physiological bases of the need for sleep remain conjectural(猜想), rendering conclusive answers to this question impossible, much evidence has been gathered on...
A.
As
B.
Despite
C.
While
D.
Whether
【单选题】How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathered...
A.
extend
B.
range
C.
alter
D.
rise
【单选题】软件工程开发的可行性研究是决定软件项目是否继续开发的关键，而可行性研究的结论主要相关于( )。
A.
软件系统目标
B.
软件的性能
C.
软件的功能
D.
软件的机构属性
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