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问题 填空题

三角形的面积一定，底和高成______比例；圆锥体的高一定，体积和底面积成______比例．

答案

（1）三角形的底×高=面积×2（一定），

是对应的乘积一定，所以底和高成反比例；

（2）圆锥体的体积÷底面积=高×

1
3
（一定），

是对应的比值一定，所以圆锥的体积和底面积成正比例；

故答案为：反，正．

选择题

— Why is your English so good, Amy?

— Well, my uncle gives me a hand at home, for he _____ in Australia for ten years. [ ]

A. has lived

B. lived

C. had lived

D. has been living

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Being a winner

小题1:          Everyone wants to succeed in their career or life. Sometimes it is easy to get carried away with the eagerness to win and forget about the things in everyday life which are important.小题2:          Education is the tool to succeeding in life and a person’s greatest accomplishments(成就) start with good education. School will prepare you for your toughest challenges and learning as much as you can will only make those challenges easier to face.

小题3:       Families are quite often a person’s biggest asset(财产) when facing a difficult obstacle(障碍). Support from a person’s family can help him or her accomplish anything. It is equally important for you to give your parents and family support when they face their challenges. You can learn from the challenges and accomplishments of others and at the same time know that your support made a difference in the outcome of a difficult obstacle. 

小题4:       But always remember that being a winner is more than coming in first place in a tournament(锦标赛). The most important accomplishments are those that occur in everyday life. 小题5:       

A．Being a winner is important to all of us.

B．Your efforts will pay off sooner or later.

C．Children need to work hard to be a winner in school.

D．Being a winner is something that we all work hard for in life. E. It is also important to be a winner to your parents and family.

F. It is important to know how to win support from your family or friends

G. Being a good person and treating others with respect make you a true winner.
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