将表面积分别是54dm2、96dm2、150dm2的三个正方体铁块，熔铸成一个大

     Sam “Fingers” had been in trouble all his life.He'd started stealing things when he was only a kid(小孩).He used to walk through the street market near his home and “pick up” a few things-a pine apple or a hairbrush perhaps.But things got worse as Sam got older.By the time he was twenty-five he was spending a lot of time stealing-and then he got caught(被抓).While he was in prison he decided that he'd never steal

again.He really had to stop.

     On his first day out of prison,Sam went for a walk along the High Street.It was so nice to walk along in the crowds and look at the shops.Oh,the shops!

     "I'll just go into this jeweller's and have a look around,” Sam said to himself,“there is nothing to worry

about.No more stealing for me.”Then Sam saw the diamond ring.He'd always wanted to give one to his

girlfriend.And nobody was looking.In a minute the ring was in his pocket and Sam was walking out of the

shop.But as he went towards the door he felt a hand on his shoulder.

     "I saw you put that ring in your pocket.” said the manager.“I shall have to call the police.”

     "I will pay for it.Yes,I'll pay for it”.said Sam.

      With a smile,the manager handed him the bill:500!

      “Er,um,well^_…”said Sam,“ I really didn't want to spend that much.Would you please show me

something a little cheaper?”

1.People called him “Fingers” because he was a  _____________.

A.criminal

B.piano-player

C.thief

D.small boy

2.Sam went along a street after he  _____________.

A.was in prison

B.made his decision

C.escapes from prison

D.left prison

3.When Sam went into the shop he thought he _____________ take anything.

A.might not

B.shouldn't

C.couldn't

D.wouldn't

4._____________ was watching him.

A.No one

B.A shop assistant

C.A policeman

D.The manager

5.Sam _____________ the diamond ring.

A.didn't want

B.didn't like

C.couldn't afford

D.wanted to see

方程x²+x-1=0的根精确到0.1的近似解是（　　）

A．0.6，1.6

B．0.6，-1.6

C．-0.6，1.6

D．-0.6，-1.6

结构化开发方法是对软件工程和 【11】 开发的有效方法。

代我国有据可考的最早的气象观测始于公元（）（清乾隆8年），天主教士法国人哥比神父用近代气象仪器在北京开展了气象观测。

( )是指物业管理企业占用和消耗尽可能少的资产，为社会和业主提供优质的管理服务，获得最大的利润。

A．利润最大化

B．资本利润最大化

C．企业价值最优化

D．每股利润最大化