Section C

　　passage one

　　46. [D] It has little impact on their decision whether or not to quit smoking。

　　47. [A] Pass a law to standardise cigarette packaging。

　　48. [B] The number of smokes has dropped more sharply than in the UK。

　　49. [A] Prime Minister Cameron has been reluctant to take action。

　　50. [C] They made more British people obese。

　　passage two

　　51. [A] It is worthwhile after all。

　　52. [D] Most of them take jobs which don‘t require a college degree。

　　53. [C] Interactions among themselves outside the classroom。

　　54. [B] Meting people who will be helpful to you in the future。

　　55. [D] The prestige of the university influences employers‘ recruitment decisions。