单项选择题
Questions 19 to 22 are based on the conversation you have just heard.
A. To read the magazine with him. B. To talk about the knowledge of the magazine. C. To lend him the magazine. D. To tell him something about the Ice Age people.
A. Do exercises irregularly. B. Breathe slowly and smoothly. C. Change dally diet. D. Find out the problems.
A. There is no traffic jam at the AIM. B. A41 isn’t very busy. C. AIM has no problems. D. A404 is flowing freely.