问题 解答题
为了迎接2006年德国世界杯足球赛的到来,某足球协会举办了一次足球联赛,其记分规则及奖励方案如下表:
 胜一场 平一场 负一场 
 积分 3 1 0
 奖金(元/人) 20001000 
当比赛进行到14轮结束(每队均需比赛14场)时,甲队共积分25分.
(1)请你通过计算,判断甲队胜、平、负的场数;
(2)若每场比赛,每名参赛队员均可获得800元的出场费,设甲队中一名参赛队员所得的奖金与出场费的和为W元,试求W的最大值.
答案

(1)设甲队胜x场,平y场,负z场,则:

x+y+z=14
3x+y=25
y=25-3x
z=2x-11

∵x≥0,y≥0,z≥0

25-3x≥0
2x-11≥0
x≥0
5
1
2
≤x≤8
1
3

由于x,y,z均为非负整数

∴①

x=6
y=7
z=1
x=7
y=4
z=3
x=8
y=1
z=5

(2)W=(2000+800)x+(1000+800)y+800z=-1000x+36200

∴这个一次函数W的值随x的增大而减小

∴当x=6时,W的最大值为30200元.

单项选择题
阅读理解

I really hadn’t meant to yell at them. But that grey afternoon saw it just as my son and daughter were making a terrible mess on the floor in the kitchen.

With a tiresome report to write, I felt bothered at my desk. Suddenly, it occurred to me that my kids were at fault. A voice inside me insisted that I do something quickly.

“Ok, you two here, but what an awful thing you are attempting!” I was shouting angrily. I made for them, while it became evident that the boy wanted no part of me. “Get away from us!” he shouted back, there being an expression of support from his sister.

All of a sudden, I found the fault in myself. Quickly I shaped my hands into pincers and crawled towards them, “Crabby Daddy is here. Ha, Ha, Ha, he likes to yell at children, and then eat them!” My son continued to keep me away, but now he was laughing and crying at the same time. My mission to repair the damage caused by my yelling seemed to work well. Still, I regretted not having controlled myself first in a right way.

Need I let them know how badly they were acting by blaming? This is a lesson that serves myself. It only shows just how to get rid of something (ill-feelings, responsibility…) by blaming others. It’s not my “best self”.

We have to search for our “best self” when with our children. They don’t need perfect parents, but they do need parents who are always trying to get better. Here, I am reminded of the words of a great thinker. “When a man lives with God, his voice shall be as sweet as the murmur of the book…” Then, in our lifetime, couldn’t we always speak to our kids in such a sweet voice since most of us consider them as the most precious in the world? And before we reach this level, what should we do when we come across various difficult cases with our children?

小题1:The author couldn’t help yelling at his kids this time probably because________.

A.the weather was so unpleasant

B.he was tired of his boring work

C.the kids didn’t ask him to join them

D.a Daddy has his right to do so小题2:Which of the following made the author aware of his fault?

A.No obvious reason.

B.The boy’s yelling back.

C.His self-awareness.

D.The girl’s shouting back.小题3:According to the passage, the author will _____ in another similar situation.

A.play a crab again like this time

B.apologize to kids in a sincere way

C.avoid blaming kids in a hurry

D.beat them up about such things小题4:What will the writer go on to write about in the next paragraph(s)?

A.How to behave ourselves properly when kids are at fault.

B.How to play with our children in a more interesting way.

C.How to deal with the housework with children around us.

D.How to persuade children to do what they are told to.小题5:What does “the boy wanted no part of me” in the third paragraph mean?

A.The boy was happy because I loved them.

B.The boy was curious because I wanted to help them.

C.The boy was very happy for I was angry.

D.The boy didn’t want me to join them.