问题
选择题
Doubting that the traveler carried drugs, the Customs officer stopped him and _______ his suitcase, but found nothing at all.
A．looked up
B．went through
C．searched for
D．referred to
答案
答案：B
题目分析:考查动词短语。A 抬头看，查阅；B仔细查找，经历；C 寻找；D参考，查阅。根据情理可知怀疑一个人携带毒品，就应该对他进行检查，所以B选项正确。句意：怀疑这个旅客携带有毒品，海关官员拦住他仔细检查他的手提箱，但是什么也没发现。