【题目】Security devices at airports are ______ to spot weapons that could be used by terrorists.
A. pretended B. intended C. demanded D. declined
在线课程【答案】B
【解析】
试题分析：考查动词。A. pretended假装；B. intended打算；C. demanded 要求；D. declined降低，衰落。句意：机场的安保设施是用来探测有可能被恐怖分子使用的武器的。故选B。