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问题 填空题

体育用品店中足球和排球个数的比是5：12，卖了2个足球后，足球与排球的比是1：3，原来有足球______个．

答案

排球的个数：2÷（

5
12
-
1
3
），

=2÷

1
12
，

=24（个），

足球个数：24×

5
12
=10（个），

答：原来有足球10个，

故答案为：10．

单项选择题

混凝土重力坝和拱坝的横缝分别为（）。

A.永久缝、永久缝

B.永久缝、临时缝

C.临时缝、永久缝

D.临时缝、临时缝
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单项选择题

Why do I want to go to college No one has ever asked me  （1）  a question. But many times I have asked myself. I have（2）a whole variety of reasons.  （3） important reason is that I want to be a better man.Many things make human beings different  （4）or better than or even superior to animals.One of the most important things is（5）. If I fail to receive higher education, my education.（6） As I want to be a fully  （7）man, I must get a well-rounded education, which good colleges and universities are supposed to （8）. I know one can get educated in many ways, but colleges and universities are（9）the best places to teach me how to educate myself. Only when I am well-educated, will I be a better human being and（10） fit into society.

第（7）空应选择（）

A. develop    

B. developed  

C. developing    

D. experience
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