听第8段材料，回答第10至12题。

10. When does the man have science classes?

A. On Mondays and Tuesdays.

B. On Tuesdays and Thursdays.

C. On Mondays and Wednesdays.

11. What does the woman study?

A. Art. B. Engineering. C. Computer.

12. How many years in all may the woman stay in college?

A. Three. B. Four. C. Five.

听第9段材料，回答第13至16题。

13. What does the woman think of the new car?

A. Eco-friendly. B. Strange-looking. C. Precious.

14. What kind of car do they talk about?

A. A gas car. B. An electric car. C. A gas-saving car.

15. Why did the man buy the new car?

A. To help the environment.

B. To save money on gas.

C. To join a parents' group.

16. What is the woman's attitude at the end of the conversation?

A. Doubtful. B. Hopeful. C. Positive.

听第10段材料，回答第17至20题。

17. What is the main focus of the study?

A. Eating chocolate without gaining weight.

B. The benefits of eating proper chocolate.

C. The effect of eating chocolate on mood.

18. Which of the following is right about dark chocolate?

A. More fat. B. More sugar. C. Fewer calories.

19. What may be a result of eating a lot of chocolate daily?

A. Higher blood pressure. B. Weight loss. C. Negative mood.

20. Who might appreciate this news report most?

A. People who have a balanced diet.

B. People who exercise regularly.

C. People who love chocolate.