The quizzes to the left are divided into three levels. Those in
blue are easy;
green are of intermediate level;
red are relatively difficult.
Click on any quiz and it will be displayed in a new window. Attempt all, or some, of the questions in the quiz and then click on the "check answers" button to see your score, which will be displayed in a new window. These quizzes were originally written for use in class and so are not supplemented with explanations. Please check with your teacher when you have problems with any terms. The key to most of the quizzes can be found here. Please send comments to John Wong at eljohnw@cityu.edu.hk