【题目】He graduated from a medical research ______ five years ago and has been working as a doctor since then.
A. data B. attendance
C. context D. institute
在线课程【答案】D
【解析】
考查名词辨析。句意：他五年前从一所医学研究所毕业，从那时起就一直当医生。A. data数据；B. attendance出席；C. context上下文；D. institute学院，根据题意，故选D。