Which verb best completes the sentence: 'Researchers should _____ their standards to reduce statistical errors'?
答案解析
核心考点:动词搭配与语境逻辑。解题思路:上下文要求正向改进,'enhance standards'(提高标准)符合语义。错误选项分析:A. reduce(降低)与目标矛盾;B. ignore(忽视)否定改进需求;D. complicate(复杂化)非标准搭配。易错点提醒:可能误选A,但需注意'reduce errors'与'improve standards'的逻辑关系。
正确答案:C