2019年GRE考试填空练习试题及答案解析20
58、 Once a duckling has identified a parent, the instinctive bond becomes a powerful _________ for additional learning since, by _________ the parent, the duckling can acquire further information that is not genetically transmitted.
(A) impulse...surpassing
(B) referent...recognizing
(C) force...acknowledging
(D) inspiration...emulating
(E) channel...mimicking
分析:空格 1 填入一个名词,表示"本能的纽带(instinctive bound)"和"进一步学习(additional learning)"之间的关系;空格 2 填入一个现在分词,表示小鸭子对它 ...


雷达卡


京公网安备 11010802022788号







