课尾达标微测及时巩固 检测知不足 ⅰ.选词填空从方框内选择适当的单词,用其适当形式填空 command, survive, operate, memory, last, eventual, hero, shock, invade, nation 1.the police have launched a major ________ against drug suppliers. 答案 operation 2.such stories would have made a(n) ________ impression on