【題目】 As we have seen, the focus of medical care in our society has been __________ from curing diseases to preventing diseases—especially in terms of changing our many unhealthy behaviors.

A. confirming B. committing

C. shifting D. concluding

【答案】C

【解析】

試題分析：考查動詞辨析。shift“改換，變動；替換”；confirm“確認(rèn)；證實(shí)；批準(zhǔn)”；commit“犯罪，做錯事”；conclude“推斷；作結(jié)論”。句意：正如我們所看到，我們醫(yī)療保健的焦點(diǎn)正在從治療疾病轉(zhuǎn)向預(yù)防疾病，尤其是就改變我們很多不健康的行為而言。 故選C。

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