Water Engineering: Four Difficulties, 4000 Levels
Water Engineering has four difficulties with 1000 levels each and ten questions per level; count risk before choice. Engineering levels focus on dams, levees and drainage. For each structure, name the failure mode it is designed to prevent.
水利工程基础闯关Water Engineering Basics1000 关水利工程进阶闯关Water Engineering Intermediate1000 关水利工程高阶闯关Water Engineering Advanced1000 关水利工程挑战闯关Water Engineering Challenge1000 关
How it works
- Start at the basic difficulty.
- Ten questions per level; clear one to unlock the next.
- Review at 1/3/7/14/30 days.
FAQ
Which difficulty?
Start at basic and move up when accuracy stays above 80%.
How many levels each?
1000.