归档就是按照资料本身的（）进行科学地分类与保存。
A.大小顺序
B.字母排列
C.内在规律
D.图表卡册
参考答案：C
根据句意，用括号内所给单词的适当形式填空。
1. Teenagers shouldn't get their ears _____ (pierce).
2. Sixteen-year-olds should not be _____ (allow) to drive.
3. How many magazines can be _____ (borrow) in the library every week?
4. I _____ (agree) with you - I think it's a bad idea.
5. He often plays soccer with his friends instead of _____ (play) computer games at home.
水泵的配套功率应等于水泵的轴功率。
think it's a bad idea.