在等差数列{a n }和等比数列{b n }中，a 1 =1，b 1 =2，b ..._皮皮学

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在等差数列{a n }和等比数列{b n }中，a 1 =1，b 1 =2，b n ＞0（n∈N * ），且b 1 ，a 2 ，b 2 成等差数列，a 2 ，b 2 ，a 3 +2成等比数列．（Ⅰ）求数列{a n }、{b n }的通项公式；（Ⅱ）设 c n = a b n ，求数列{c n }的前n和S n ．

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参考答案：

举一反三

【单选题】依据审计准则规定,会计师事务所应当自审计报告日起,对业务类审计工作底稿( )。

A.

至少保存8年

B.

至少保存10年

C.

至少保存15年

D.

永久保存

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【单选题】Which stations may not transmit on the frequencies in which distress traffic is taking place?

A.

Any stations taking part in the search and rescue operation under the coordination of the Rescue Coordination Center or any stations appointed by them to coordinate distress traffic

B.

Any stations in distress

C.

The Rescue Coordination Center and any stations appointed by them to coordinate distress traffic.

D.

Any stations for which silence was imposed by the Rescue Coordinator during search and rescue operations.

查看完整题目与答案

【多选题】企业在产品生命周期的衰退期可以采取( )等营销策略

A.

维持策略

B.

收割策略

C.

缩减策略

D.

集中策略

E.

撤退策略

查看完整题目与答案

【单选题】以下不属于直接投资的项目有( )。 A.向甲企业投资货币资金100万元 B.向乙企业投入机器设备一台,价值120万元 C.向丙企业投入专利权一项,作价300万元 D.购买丙企业股票2万股

A.

B.

C.

D.

D

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【单选题】Which stations may transmit on the frequencies in which distress traffic is taking place?

A.

All stations which are aware of the distress traffic.

B.

Any station in distress.

C.

Any station not itself in distress.

D.

All stations for which silence was imposed by the rescue coordination center.

查看完整题目与答案

【多选题】企业在产品生命周期的衰退期可以采取( )等营销策略

A.

维持策略

B.

产品改良策略

C.

缩减策略

D.

撤退策略

查看完整题目与答案

【单选题】以下属于企业所得税中不征税收入的项目有( )。

A.

符合条件的非营利组织收入

B.

居民企业直接投资于其他居民企业取得的投资收益

C.

企业取得的，经国务院批准的财政、税务主管部门规定专项用途的财政性资金

D.

国债利息收入

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【多选题】企业在产品生命周期的衰退期可以采取( )等营销策略。

A.

更改产品

B.

连续策略

C.

更改市场

D.

缓慢掠夺策略

E.

重新制定营销组合策略

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【单选题】Which stations may transmit on the frequencies in which distress traffic is taking place?

A.

All stations which are aware of the distress traffic

B.

Any station not itself in distress

C.

All station for which silence was imposed by the Rescue Coordination Center or station appointed to coordinate search and rescue activities

D.

Any station in distress

查看完整题目与答案

【判断题】其他的摄影或电影的纸质的废碎料归入3707

A.

正确

B.

错误

查看完整题目与答案

相关题目：

【单选题】依据审计准则规定,会计师事务所应当自审计报告日起,对业务类审计工作底稿( )。

至少保存8年

至少保存10年

至少保存15年

查看完整题目与答案

【单选题】Which stations may not transmit on the frequencies in which distress traffic is taking place?

Any stations taking part in the search and rescue operation under the coordination of the Rescue Coordination Center or any stations appointed by them to coordinate distress traffic

Any stations in distress

The Rescue Coordination Center and any stations appointed by them to coordinate distress traffic.

Any stations for which silence was imposed by the Rescue Coordinator during search and rescue operations.

查看完整题目与答案

【多选题】企业在产品生命周期的衰退期可以采取( )等营销策略

查看完整题目与答案

【单选题】以下不属于直接投资的项目有( )。 A.向甲企业投资货币资金100万元 B.向乙企业投入机器设备一台,价值120万元 C.向丙企业投入专利权一项,作价300万元 D.购买丙企业股票2万股

查看完整题目与答案

【单选题】Which stations may transmit on the frequencies in which distress traffic is taking place?

All stations which are aware of the distress traffic.

Any station in distress.

Any station not itself in distress.

All stations for which silence was imposed by the rescue coordination center.

查看完整题目与答案

【多选题】企业在产品生命周期的衰退期可以采取( )等营销策略

产品改良策略

查看完整题目与答案

【单选题】以下属于企业所得税中不征税收入的项目有( )。

符合条件的非营利组织收入

居民企业直接投资于其他居民企业取得的投资收益

企业取得的，经国务院批准的财政、税务主管部门规定专项用途的财政性资金

国债利息收入

查看完整题目与答案

【多选题】企业在产品生命周期的衰退期可以采取( )等营销策略。

缓慢掠夺策略

重新制定营销组合策略

查看完整题目与答案

【单选题】Which stations may transmit on the frequencies in which distress traffic is taking place?

All stations which are aware of the distress traffic

Any station not itself in distress

All station for which silence was imposed by the Rescue Coordination Center or station appointed to coordinate search and rescue activities

Any station in distress

查看完整题目与答案

【判断题】其他的摄影或电影的纸质的废碎料归入3707

查看完整题目与答案

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