1. C.It links the science of climate change to economic and policy issues.
2. B.It would be more costly to deal with its consequences than to avoid it.
3. A.The transition to low-carbon energy systems.
4. C.Plan well in advance.
5. B.What determines success.
6. D.It means being good at seizing opportunities.
7. D.Practice is essential to becoming good at something.
8. C.Being passionate about work can make one wealthy.
9. A.The stump of a giant tree.
10. B.Wind and water.
11. D.It was created by supernatural powers.
12. C.By lifting them well above the ground.
13. A.They will buy something from the convenience stores.
14. A.They can bring only temporary pleasures.
15. D.Small daily savings can make a big difference in one's life.
16. B.They are necessary in our lives.
17. B.They feel too overwhelmed to deal with life's problems.
18. A.They expand our mind.
19. B.It came from a 3D printer.
20. C.When she was studying at a fashion design school.
21. C.It was hard and breakable.
22. D.It marks a breakthrough in printing material.
23. A.They arise from the advances in technology.
24. D.It is intensely competitive.
25. D.Sharing of costs with each other.