With few exceptions, evidence indicated that the quality of the air, water, land, and living re sources continued to _______.

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问题 With few exceptions, evidence indicated that the quality of the air, water, land, and living re sources continued to _______.

选项 A、aggravate
B、deteriorate
C、decay
D、impair

答案B

解析 近义词辨析。aggravate意为“加重,加剧,使恶化,使变得更麻烦”,为及物动词,多指原来不利条件下情形的恶化,如:His bad temper was aggravated by his occasional headache.(时常的头疼使他的脾气更坏。)deteriorate意为“恶化,衰退,退化”,指事情或物体在质量、性质或价值上损害或降低,多强调最终后果的严重性,是不及物动词,如:The property of this product had been deteriorated.(这个产品的特性已经变糟。)decay意为“衰落,腐败”,如:Each civilization is born,it culminates and it decays.(各种文明都要历经诞生、鼎盛和衰落。)impair意为“削弱,减损”,如:The patient’s intelligence has been impaired by a brain injury. (由于脑伤,病人的智力受损。)本句中是指质量上的损害,故用deteriorate。
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