【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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