【题目】More checkpoints were set up in the country to ensure residents could be ________ for the virus.
A.cancelledB.containedC.strengthenedD.screened
在线课程【答案】D
【解析】
考查动词词义辨析。句意：该国设立了更多的检查点，以确保居民能够接受病毒筛查。A. cancelled取消；B. contained包含；C. strengthened加强；D. screened筛查。结合后文for the virus可知此处指接受病毒筛查应用screened。故选D。