语法与词汇 27.In other parts of China where major earthquakes have been______by foreshocks, unusual behavior in rats, fish, and snakes were observed as early as three days prior to the earthquake.
【正确答案】 C
【答案解析】这句话的意思是：在中国其他地区，大地震之前通常伴有前震，那儿的老鼠、鱼、蛇等动物的异常行为则早在地震发生三天前就有所表现。precede意为“在……之前”，符合题意；process意为“加工、冲洗”；produce意为“制造”：proceed意为“着手进行、继续进行”。根据句意，选项C为正确答案。