Section C passage one

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

　　解析：答案定位在文章第一段，其中“veteran nicotine addict”直接对应题目中的chain smokers， 而根据that 从句内的 “plays no role in the decision to keep smoking”就可以选出正确选项D：

　　“香烟的包装对于老烟枪选择戒烟与否而言几乎没有任何影响”。

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

　　解析：答案定位在第二段的第一句及第三段的最后一句：在第二段中，But that is not why the government - under pressure from .... party - has agreed to legislate for standardised packaging. 纵然原句意思为“这并不是政府同意针对香烟的包装立法”;在第三段中“Since tobacco is one of the biggest causes of premature death in the UK, a measure that tames the habits even by a fraction is worth trying”，在英国由于吸烟而导致早产儿大批死亡，英国政府帮这些老烟枪们改变吸烟的嗜好的任何尝试都是值得的;因此，答案就尤为明显了，因此补办选出答案A：“英国政府就香烟包装的标准化通过了法案”。

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

　　解析：答案定位在第三段的第三句“this approach has led over time to a fall in smoking numbers having roughly halved since the 1970s. Evidence from Australia suggests plain packaging pushes society further along that road.”这一方法使得吸烟者数量锐减，尤其是在澳大利亚而言，这一方法颇见成效。这样选项B就尤其明显了。

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

　　解析：答案定位在第四段“David Cameron’s election campaign........(David Cameron denied...in legislative program me)”及最后一句话中“now we are told Members of .......is dissolved in March”。在特殊符号里“括号”中，首相Cameron否认在其顾问在外的经济利益与法案改变之间有联系，并在最后一句中指出将会让国会议员投票。由此答案就尤为明显，可以定位到A选项。

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

　　解析：答案定位在第四段的最后一句“his attitude to state intervention... checkouts fueled obesity”，答案由“checkouts fueled obesity”体现：“检测出导致肥胖”。由此，答案选C。