阅读理解。 TYPING This course is for those who want to learn to type, as well as those who want to improve their typing. The course is not common. You are tested in the first class and begin practicing at one of eight different skill levels. This allows you to learn at your own speed. Each program lasts 20 hours. Bring your own paper. Course fee: $125 Materials: $ 25 Two hours each evening for two weeks. New classes begin every two weeks. This course is taught by a number of qualified business education teachers who have successfully taught typing courses before. UNDERSTANDING COMPUTERS This twelve-hour course is for people who do not know very much about computers, but who need to learn about them. You will learn what computers are, what they can and can't do and how to use them. Course fee: $ 75 Equipment fee.. $10 Jan. 4, 7, 11, 14, 18, Wed.& Sat. 9～11:30 a. m. Joseph Saunders is Professor of Computer Science at New Urban University. He has over twenty years of experience in the computer field. STOP SMOKING Do you want to stop smoking? Have you already tried to stop and failed? Now is the time to stop smoking using the latest methods. You can stop smoking, and this twelve-hour course will help you do it. Course fee: $ 30 Jan. 2, 9, 16, 23 Mon. 2～5 p. m. Dr John Good is a practicing psychologist who had helped hundreds of people stop smoking. 1. If you choose the UNDERSTANDING COMPUTERS course, you will have classes _____. A. from Monday to Sunday B. from Monday to Friday C. on Wednesday and Saturday D. on Saturday and Sunday 2. The STOP SMOKING course will last _____. A. for half a day B. for three hours C. for a week D. for four weeks 3. Mr. Black works every morning and evening, but he wants to take part in one of the three courses. The most probable course he will attend is _____. A. typing B. understanding computers C. stop smoking D. all the courses 4. The typical difference of 'Typing' from the other two is _____. A. people with different skill levels may learn at different speed B. you will take a test after the course C. you will pay the fee before practicing D. you will pay less money