问题
选择题
Our duty is to ______ their country against both domestic and foreign enemies’ attack.
A．delay
B． defend
C．defeat
D．depend
答案
答案：B
题目分析：句意：我们的责任是保卫其国家反对国内外敌人的攻击。A. delay延迟，拖延，耽搁；B. defend保卫；C. defeat 击败；D. depend依赖，依靠。由题干内容可判断B正确。
考点: 考查动词的辨析。