37. K.
38. B.
39. L.
40. F.
41. A
42. H.
43. E.
44. F.
45. C.
Section C
passage 1
46. A it is unfair to those climate-venerable nations.
47. B They hardly pay anything for the problem they have caused
48. B They have to bear consequences they are not responsible for
49.C There is no final agreement on where it will come from
50. D putting in effect the policies in the agreement at once
passage 2
51.B Teenagers’ mental problems are often too conspicuous not to be observed.
52. D Many hitherto unobserved youngsters may have psychological problems
53. B Their behaviors do not constitute a warning signal.
54.A They are almost as liable to depression as the high-risk group
55. B it provides new early-warning signals for identifying teens in trouble.
第三套
Section A
26.D elsewhere
27.C climatic
28.A ages
29.K offspring
30.E exclusively
31.M subsequently
32 J notably
33.H habitats
34.L replanting
35. vulnerable
Section B
36.F
37.B
38.M
39.H
40.E
41.K
42.C
精品2016年12月英语四级真题及答案解析（三套完整版）
