1. A) She hasn’t started writing it.?

2.B) He offered the man advice on resource hunting.

3. A) He didn’t think her dissertation topic viable.

4. D) Follow the man’s advice.

5. C) His books sell well worldwide.

6. C) The fact that over half of Americans are overweight.

7.D) The medical community.

8. B) Follow a personalized diet.

9. B) The growth of their new brain cells doubled.

10. A) To avoid them in the future.

11.C) Make people more susceptible to illness.

12. D) Spending too much time handling email.

13. D) Major problems may result.

14.B) Motivate and inspire their team.

15. A) Cultivate self-control.

16. D) The importance of the appearance of food.

17. A) By focusing on the nutrients in different foods.

18. B) They can boost sales of healthy foods by making them visually appealing.

19. C) It has seen more small businesses offering environment-friendly products.

20. A) Consumers now know much more about technology.

21. B) Writing positive comments about them on social media.

22. B) Blocking the fountains’ works.

23. C) They are mostly used for the fountains’ maintenance.

24. C) It is used to run a supermarket for the needy.

25. D) He stole a lot of money from a fountain with a magnetic stick.