已知等差数列{an}的首项a1=1,且公差d>0,它的第2项、第5项、第14项分

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问题:

已知等差数列{an}的首项a1=1,且公差d>0,它的第2项、第5项、第14项分别是等比数列{bn}的第2项、第3项、第4项.
(1)求数列{an}与{bn}的通项公式;
(2)设数列{cn}对n∈N*均有
c1
b1
+
c2
b2
+…+
cn
bn
=an+1
成立,求c1+c2+…+c2011的值;
(3)求数列{anbn}的前n项和Sn;并求满足Sn<168的最大正整数n.
考点:等差数列的通项公式等比数列的定义及性质数列的概念及简单表示法
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把带芽的马铃薯块栽到土壤中,培育成新植株,这种生殖方式属于 [ ]

A.出芽生殖

B.营养生殖

C.有性生殖

D.分裂生殖

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仓储物资预防霉变的方法有哪些?

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目前主型货车(机保车除外)采用的ST1-600型双向闸瓦间隙自动调整器属()控制

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What is it that you love to do but never feel that you get it quite right? Perhaps you don't even try any more because you think what you do is not  1  enough.
Discouragement seems to follow us a good part of the time, because whatever it is that we work so hard doing, it seems that there is always someone else who can do it much    2
I have always enjoyed music and it is    3  to me that every musician has a   4 of their own.My father__5  several instruments and when he played with others, it was not difficult to   6 his sound in a group.Whether it was guitar or another instrument, he had his own  7 sound.
I once read of a music teacher who commented to a discouraged student, “ Nobody else can make the sound that you make.” The sound that you make may not be the same as someone else's but who is   8  which is better. It is said that “   9  is in the eye of the beholder.” Perhaps it could be said that “A delightful sound is in the ear of the   10 .”
Every person has a different tone of voice that   11 only to them, and we all know people with an unforgettable laugh or a way of   12  that is unique to them.It might not be the sound of your music or your voice at all.It might be the way you whistle or the sound of your footsteps.
Each person has a(an)   13 on the world in some ways.Someone else can do what you do, but they cannot do it   14  the same way that you do it.The next time you feel   15 , remember "Nobody else can make the sound that you make."
小题1:
A.easy B.good C.simple D.hard
小题2:
A.betterB.worse C.more D.less
小题3:
A.satisfyingB.convincing C.inspiring D.interesting
小题4:
A.gift B.sound C.life D.song
小题5:
A.playedB.designed C.createdD.checked
小题6:
A.turn down B.call upC.pick out D.give off
小题7:
A.loud B.powerful C.perfectD.special
小题8:
A.to talk B.to sayC.to see D.to hear
小题9:
A.BeautyB.Interest C.Patience D.Honesty
小题10:
A.speaker B.receiver C.listener D.looker
小题11:
A.devotes B.adds C.adapts D.belongs
小题12:
A.running B.walkingC.jumpingD.speaking
小题13:
A.choice B.opinionC.duty D.effect
小题14:
A.exactly B.carefully C.cautiously D.seriously
小题15:
A.annoyed B.puzzledC.discouragedD.bothered
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男性40岁,跑步后出现右腰剧烈绞痛1天,尿呈淡血水样,为明确诊断应做下列哪些检查()

A.血常规

B.肾功能检查

C.泌尿系统平片

D.尿常规检查

E.24小时尿液电解质分析

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