英语六级
单选题
A．endure
B．survive
C．retain
D．maintain
参考答案：B进入在线模考
【解析】选[B]。语义衔接题。分析句子结构可知，所填词应是不及物动词，由此可排除[A]endure“忍受，忍耐”、[C] retain“保留”和[D]maintain“维修”，因为他们都是及物动词。[B]survive意为“幸存，活下来”，与语义相符，故为答案。本空所在句的意思是：聪明的人意识到在一个境况不佳、遭受污染的世界里人类的利益将不会存在很长时间。
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