管道施工的质量标准是什么？
题型：问答题 简答题
问题：
管道施工的质量标准是什么？
题型：问答题 简答题
单句改错(共10小题；每小题1分，满分10分
对标有题号的每一行做出判断：如有错误(每行只有一个错误)，则按下列情况改正：
此行多一个词：把多余的词用斜线(＼)划掉，在该行右边横线上写出该词，并也用斜线(＼)划掉。
此行缺一个词：在缺词处加一个漏字符号(∧), 在该行右边横线上写出该加的词。
此行错一个词：在错的词下划——横线，在该行右边横线上写出改正后的词）
1. Kevin, as well as his classmates, like surfing the Internet. ______
2. It was last year when you taught me how to drive. ______
3. This book is belonged to me. ______
4. There is no doubt if we should study hard. ______
5. This is a time when the two countries were on war. ______
6. Mr. Li is in the charge of our class. ______
7. The Olympics Games are held every fourth years. ______
8. He is such funny a man that we all like him. ______
9. I felt bad first time
I talked to a group. ______
10. China has more people than any other countries in the world. ______