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【简答题】
在等比数列{a n }中,(a 1 a n ) 2 -a 2 a 4 a n-1 a n-3 =______.
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参考答案:
举一反三
【单选题】Miss Wu has taught in this school ______.
A.
for ten years
B.
ten years ago
C.
since ten years
D.
for ten years ago
查看完整题目与答案
【单选题】下列关于会计要素的表述中,不正确的是
A.
会计要读是对会计对象的基本分类
B.
收入、成本和利润构成利润表的基本框架
C.
资产、负债和所有者权益称为静态会计要素
D.
会计要素是对会计核算对象的具体化
查看完整题目与答案
【单选题】Miss Wu has taught English ______ she came here.
A.
since
B.
as
C.
when
D.
for
查看完整题目与答案
【单选题】比较下列滴定,哪种类型滴定突跃最大 ( )
A.
0.10 mol.dm-3NaOH滴定0.10 mol.dm-3HCl
B.
1.0 mol.dm-3NaOH滴定1.0 mol.dm-3HCl
C.
0.10 mol.dm-3NaOH滴定0.10 mol.dm-3HAc
D.
0.10 mol.dm-3NaOH滴定0.10 mol.dm-3HCOOH
查看完整题目与答案
【简答题】The concentration of H 2 S in a saturated aqueous solution at room temperature is approximately 0.10mol·L -1 . Calculated c(H 3 O + ),c(HS - ),and c(S 2- )in the solution.
查看完整题目与答案
【单选题】Miss Jones once _____ music at Bardon School for years and now is an actress. [ ]
A.
has taught
B.
taught
C.
had taught
D.
teaches
查看完整题目与答案
【判断题】风险决策方法其实也是一种非确定型决策方法。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列关于会计要素的表述,不正确的是()。
A.
会计要素是对会计对象的基本分类
B.
资产、负债和所有者权益反映企业的财务状况
C.
资产、负债和所有者权益称为静态会计要素
D.
收入、成本和利润三个要素,在利润表中列示
查看完整题目与答案
【单选题】Miss Gao _____ this school since 1996. [ ]
A.
has come to
B.
came to
C.
has taught
D.
has been in
查看完整题目与答案
【单选题】Miss Wu has a _________.
A.
a daughter
B.
a son
C.
a daughter and a son
查看完整题目与答案
相关题目:
【单选题】Miss Wu has taught in this school ______.
A.
for ten years
B.
ten years ago
C.
since ten years
D.
for ten years ago
查看完整题目与答案
【单选题】下列关于会计要素的表述中,不正确的是
A.
会计要读是对会计对象的基本分类
B.
收入、成本和利润构成利润表的基本框架
C.
资产、负债和所有者权益称为静态会计要素
D.
会计要素是对会计核算对象的具体化
查看完整题目与答案
【单选题】Miss Wu has taught English ______ she came here.
A.
since
B.
as
C.
when
D.
for
查看完整题目与答案
【单选题】比较下列滴定,哪种类型滴定突跃最大 ( )
A.
0.10 mol.dm-3NaOH滴定0.10 mol.dm-3HCl
B.
1.0 mol.dm-3NaOH滴定1.0 mol.dm-3HCl
C.
0.10 mol.dm-3NaOH滴定0.10 mol.dm-3HAc
D.
0.10 mol.dm-3NaOH滴定0.10 mol.dm-3HCOOH
查看完整题目与答案
【简答题】The concentration of H 2 S in a saturated aqueous solution at room temperature is approximately 0.10mol·L -1 . Calculated c(H 3 O + ),c(HS - ),and c(S 2- )in the solution.
查看完整题目与答案
【单选题】Miss Jones once _____ music at Bardon School for years and now is an actress. [ ]
A.
has taught
B.
taught
C.
had taught
D.
teaches
查看完整题目与答案
【判断题】风险决策方法其实也是一种非确定型决策方法。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列关于会计要素的表述,不正确的是()。
A.
会计要素是对会计对象的基本分类
B.
资产、负债和所有者权益反映企业的财务状况
C.
资产、负债和所有者权益称为静态会计要素
D.
收入、成本和利润三个要素,在利润表中列示
查看完整题目与答案
【单选题】Miss Gao _____ this school since 1996. [ ]
A.
has come to
B.
came to
C.
has taught
D.
has been in
查看完整题目与答案
【单选题】Miss Wu has a _________.
A.
a daughter
B.
a son
C.
a daughter and a son
查看完整题目与答案
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