最初设计一个相对基础的系统，然后在对系统持续使用的过程中精化设计，这种系统开发控制方

完型填空（共15小题；每小题1分，满分15分）
My son Joey was born with club feet. The doctors said that with treatment he would be able to walk, but would never run very well. The first three years of his life was ___1___ in hospital. By the time he was eight, you wouldn’t know he has a problem when you saw him ___2__.
Children in our neighborhood always ran around ___3___ their play, and Joey would jump and ran and play, __4___. We never told him that he probably wouldn’t be ___5___ to run like the other children. So he didn’t know.
In __6___ grade he decided to join the school running team. Every day he trained. He ran more than any of the others, __7__ only the top seven runners would be chosen to run for the __8___. We didn’t tell him he probably would never make the team, so he didn’t know.
He ran four to five mile every day—even when he had a fever. I was __9___, so I went to ___10___ him after school. I found him running ___11___. I asked him how he felt. “Okay,” he said. He has two more miles to go. Yet he looked straight ahead and kept ___12___.
Two weeks later, the names of the team ___13___ were out. Joey was number six on the list. Joey had ___14___ the team. He was in seventh grade — the other six team members were all eighth graders. We never told him he couldn’t do it … so he didn’t know. He just ___15___ it.

小题1:	A．spent B．taken C．cost D．paid

小题2:	A．talk B．sit C．study D．walk

小题3:	A．after B．before C．during D．till

小题4:	A．either B．too C．though D．yet

小题5:	A．able B．sorry C．glad D．afraid

小题6:	A．sixth B．seventh C．six D．seven

小题7:	A．so B．if C．then D．because

小题8:	A．neighborhood B．family C．school D．grade

小题9:	A．excited B．tired C．pleased D．worried

小题10:

A．think about B．hear from C．agree with D．look for

小题11:

A．alone B．away C．almost D．already

小题12:

A．riding B．walking C．playing D．running

小题13:

A．jumpers B．runners C．doctors D．teachers

小题14:

A．got B．kept C．made D．found

小题15:

A．made B．played C．had D．took