题目

The place __________ the bridge is supposed to be built should be ________ the cross-river traffic is the heaviest.       A．which; where      B．at which; which   C．at which; where   D．which; in which 答案：C 解析：本题考查了定语从句的有关知识。第一空用at which可以使之在引导定语的同时在从句中充当表语。 在《刻舟求剑》的寓言故事中，刻舟人最终未能寻到其落水的剑，是因为船相对于河岸是________的，而剑相对于河岸是________的．