问题 解答题

一根铅丝长62.8厘米,把它围成两个大小相等的圆形,这根铅丝可围成的面积有多大?

答案

62.8÷2=31.4(厘米),

半径是:31.4÷3.14÷2=5(厘米),

面积是:3.14×5×5=78.5(平方厘米),

78.5×2=157(平方厘米).

答:这根铅丝可围成的面积有157平方厘米.

填空题

根据首字母填空,每空格填一词。

         These years, with the development of society (社会), more and more teenagers have suffered from stress. Some of the problems can make them feel very w     1      and unhappy all day. Who can help them? A teacher

from a college tried his best to help them. He thought of a lot of w       2     to help them. On Monday and

Thursday, you can c    3       his hotline. Here are some ideas how to keep the young men healthier in every

way. 

         F     4      , it is very important to keep healthy. To get e     5     sleep every day is also necessary. Try to

have a healthy d    6      every day. Secondly, maybe you are not the top student. It doesn't m    7    . The most

important thing is to work hard. If you try your best, your teachers and parents will understand you. If you have

some problems, you should be a     8      to talk with your teachers and parents. They can help you. Remember

to s    9      your happiness and s    10      with your good friends. Sometimes you can go out for a walk.

         In a word, you can try to make you happy by yourselves. I'm sure you can be happy every day.

1. w                    2. w                        3. c                       4. F                       5. e                  

6. d                     7. m                        8. a                       9. s                       10. s                   

单项选择题 A1/A2型题