You can test your Bootstrap skills with W3Schools' 测试.
The test contains 25 questions and there is no time limit.
The test is not official, it's just a nice way to see how much you know, or don't know, about Bootstrap.
每答对一题， each correct answer. At the end of the 测试, your total score will be displayed. Maximum score is 25 points.
If you don't know Bootstrap, we suggest that you read our Bootstrap Tutorial from scratch.