【解题原则分析】

求同存异123原则：文章的相邻段落之间存在着联系又同时存在差别。段落之间的联系体现为二者之间共享同一主题词；段落之间的差别体现为后面的段落比前面段落要多出一些内容，而且这些多出的内容恰恰体现了“启下”的关系。因此，利用段落之间的差额主题名词，即“相同表联系，相异引下文”的原则，便可以确定下一段落的主题词。

【解题步骤分析】

第一段：Canada’s premiers (the leaders of provincial governments), if they have any breath left after complaining about Ottawa at their late July annual meeting, might spare a moment to do something, to reduce health-care costs.

【主题词】Canada’s premiers-Ottawa-annual meeting-health-care costs.

第二段：They’re all groaning about soaring health budgets, the fastest-growing component of which are pharmaceutical costs.

【主题词】health budgets-pharmaceutical costs.

第二段主题词与第一段主题词做减法得出的差额决定供选择的41题目主题词为：pharmaceutical costs. 在备选答案中找到以该词为主题词的段落，即E。

第三段：According to the Canadian Institute for Health Information, prescription drug costs have risen since 1997 at twice the rate of overall health-care spending. Part of the increase comes from drugs being used to replace other kinds of treatments part of it arises from new drugs costing more than older kinds. Part of it is higher prices.

【主题词】health budgets-pharmaceutical costs.

第四段：What to do? Both the Romanow commission and the Kirby committee on health care-to say nothing of reports from other experts-recommended the creation of a national drug agency. Instead of each province having its own list of approved drugs, bureaucracy, procedures and limited bargaining power, all would pool resources, work with Ottawa, and create a national institution.

【主题词】Romanow commission and the Kirby committee-health care-national drug agency-a national institution.

第四段主题词与第三段主题词做减法得出的差额决定供选择的42题目主题词为：national institution. 在备选答案中找到以该词为主题词的段落，即C。

第四段：What to do? Both the Romanow commission and the Kirby committee on health care-to say nothing of reports from other experts-recommended the creation of a national drug agency. Instead of each province having its own list of approved drugs, bureaucracy, procedures and limited bargaining power, all would pool resources, work with Ottawa, and create a national institution.

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