【題目】Zhong Nanshan, the famous medical scientist, has devoted most of his life ________ useful ways in treating cough diseases.
A.to find
B.find
C.to finding
D.finding

【答案】C
【解析】句意：著名的醫(yī)學(xué)家鐘南山投入了他生活中大部分，找到有用的方法治療咳嗽疾病。短語(yǔ)devote…to doing,這里to是介詞，所以后用動(dòng)名詞，所以選C。

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