【题目】As global warming increases, the Earth will become less and less suited to life, and many species will face ______.
A.extinctionB.directionC.calculationD.application
在线课程【答案】A
【解析】
考查名词词义辨析。句意：随着全球变暖的加剧，地球将越来越不适合生命生存，许多物种将面临灭绝。A. extinction灭绝，消失；B. direction指导；C. calculation计算；D. application申请；应用。结合句意，故选A。