Contamination of water supplies is usually
due to poor sanitation close to water
sources, sewage disposal into the sources
themselves, leakage of sewage into distribution
systems or contamination with...
| English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
|---|---|---|---|---|---|---|---|
| 《NCE4L38 Water and the traveller新概念4-38水和旅行者》 | 2144字 | 20.0分钟 | 100% | 168 CPM | 89 次 | 0 | 良好，向更快挑战！ |
|
Suggestion:
可能对按键不够熟悉，或者对输入法不够熟练所导致，不要急慢慢来，先打对把准确率提高，然后逐渐的加快速度，最后才能打准打快。
|
|||||||
| Inspirational quotes: 如果取得别人的信任，你就必须做出承诺，一经承诺之后，便要负责到底，即使中途有困难，也要坚守诺言。 ——李嘉诚 | |||||||
| What do you think of this article? Give it a rating and let it serve as a guiding light for others | |||||||
Registration with the Ministry of Industry and Information Technology: Min ICP No. 19000005