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

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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大学英语六级

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