已知:(m-2)a2b|m+1|是关于a、b的五次单项式,求下列代数式的值, (

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问题:

已知:(m-2)a2b|m+1|是关于a、b的五次单项式,求下列代数式的值,

(1)m2-2m+1;

(2)(m-1)2

考点:代数式的求值多项式
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(50) 是软件生命周期中时间最长的阶段。

A.需求分析阶段

B.软件维护阶段

C.软件设计阶段

D.软件系统实施阶段

题型:解答题

1960年,批皮卡尔的儿子和美国人沃尔什,乘竟改进的深水潜艇“德理雅斯特2号”,在世界最深的太平洋马利亚纳海沟,深潜到10916米的海底,他们惊奇地发现一条长约30厘米,宽约为10厘米左右的扁鱼在海底游动.这证实了在世界最深处也有高度发达的脊椎动物,那么,在这么深的海底,扁鱼所受的海水产生的压力有多大?(ρ海水=1.03×103kg/m3

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招标文件中标底的编制依据包括()。

A.招标文件的商务条款

B.施工方案

C.合同条款

D.工程量计算规则

E.施工现场地质、水文、地上情况的有关资料

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Is it difficult for you to get up in the morning? Do you sometimes oversleep? Are you often late for work or school? Yes? Then Hiroyuki Sugiyama of Japan has a (an)    1   bed for you. Hiroyuki's bed will get you up in the morning! Here is how it      2   .
The bed    3  an alarm clock. First, the alarm clock rings. You have a few minutes to wake up. Next, a tape recorder in the bed plays   4  music or other pleasant sounds. The tape recorder in Hiroyuki's bed plays a recording of his girlfriend. She whispers in a sweet  5 , "Wake up, darling, please." A few minutes later, a second recording   6  . The sound recording can be loud music or   7 sounds. Hiroyuki hears a recording of his boss shouts, "Wake up immediately,   8 you'll be late!"
If you don't get up  9 the second recording, you will be sorry! A mechanical "foot" is in the bed. The mechanical foot kicks you in the head. Then the bed waits a few  10 minutes. What! You're still in bed! Slowly the   11 of the bed rises higher and higher. The foot of the bed goes lower and lower.   12 the bed is vertical (垂直的). You slide off the bed and onto the floor. You are out of bed and     13 
Hiroyuki made his bed because he wanted to   14  a contest. He works for Honda Motor Company. Once every two years Honda has a contest for its 200,000 employees ---"All-Honda Idea Contest". The employees think of new ideas. If their ideas win, the employees win   15  . Hiroyuki Sugiyama won a lot of money for his bed.
小题1:
A.expensiveB.specialC.valuableD.comfortable
小题2:
A.worksB.runsC.happensD.moves
小题3:
A.is separated fromB.is made up ofC.is attached toD.is made into
小题4:
A.loudB.classicalC.popD.soft
小题5:
A.soundB.voiceC.noiseD.way
小题6:
A.sendsB.turnsC.playsD.appears
小题7:
A.pleasantB.interestingC.unpleasantD.funny
小题8:
A.andB.butC.soD.or
小题9:
A.afterB.untilC.sinceD.before
小题10:
A.otherB.anotherC.moreD.one
小题11:
A.endB.middleC.bodyD.top
小题12:
A.HoweverB.FinallyC.ThereforeD.Otherwise
小题13:
A.angryB.workC.happyD.awake
小题14:
A.winB.achieveC.gainD.defeat
小题15:
A.praisesB.contentsC.prizesD.medals
题型:解答题

一个蓄水池有两个水管,一个进水管,一个出水管,单开进水管20小时可以将空水池注满;单开出水管30小时可以将满池水放完。如果两管齐开,将空水池注满水需( )小时。

A.40

B.45

C.50

D.55

E.60

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