单选题
The recent medical breakthrough was the culmination of many long years of experimentation.
【正确答案】
B
【答案解析】本题The recent medical breakthrough was the culmination of many long years of experimentation.题句的意思为:最近在医学方面取得的突破是多年漫长试验的最高峰。正确答案为B。画线词culmination的含义等于climax,即“顶峰”之意。辨义:A.result结果; B.climax顶点、最高峰;C.abyss深渊;D.cultivation耕种、耕作。