矿井日常水文地质基础工作包括的水文观测工作有哪些？
参考答案：
1）收集地面气象、降水量与河流水文资料（流速、流量、水位、枯水期、洪水期）；查明地表水体的分布、水量和补给、排泄条件；查明洪水泛滥对矿区、工业广场及居民点的影响程度。
2）通过探水钻孔和水文地质观测孔、观测各种水源的水压、水位和水量的变化规律，分析水质等。
3）观测矿井涌水量及季节性变化规律等。
| 完形填空。 | ||||
| I like my bike. It brings me a lot of fun. When I was an 1 boy, my father bought it for me. It is my "horse". I often go to school 2 my bike. I like riding a bike 3 it is very convenient. If I go out by bike, it is 4 to find a place for parking it. Bikes are very cheap, so most people can buy one. There are three people in my family. 5 of us has a bike. My parents are teachers in my school. In the morning, Mum, Dad and I each 6 to school. However on a rainy day we walk to school, because the road is bad for riding. I think riding bikes can make us 7 . It not only helps us exercise more but also 8 the air clean. The bike is very important in Chinese people's life. So riding bikes can help you to 9 more about China and the Chinese people. Now people in the world say China is the country of bikes because there are 10 bikes in China. I hope people all round the world like them. | ||||
|