【题目】Don’t act before you have a second thought about the mission_____ you are unable to handle any potential emergency.
A.as long asB.so thatC.even ifD.in case
在线课程【答案】D
【解析】
考查连词词义辨析。句意：接受任务时要三思而后行，以免你解决不了潜在的紧急情况。A. as long as只要；B. so that以便，因此；C. even if尽管；D. in case以免。结合句意可知此处用“以免”符合语境，in case引导目的状语从句，故选D项。