Another way to judge whether your home has or could develop indoor air problems is to potential sources of indoor air pollution.

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问题 Another way to judge whether your home has or could develop indoor air problems is to potential sources of indoor air pollution.

选项 A、signify
B、identify
C、claim
D、recognize

答案B

解析语义连贯题。要判断家里是否存在室内空气污染或能存在空气问题应该是确定潜在的污染源，因此答案选[B]identify“认出，鉴定”，强调通过各种手段确定潜在的室内空气污染来源。[A]signify“表示…的意思，意味”；[C]claim“断言，声称”；[D]recognize“认可，承认”，通常指人用眼睛认出熟人。

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大学英语六级

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Another way to judge whether your home has or could develop indoor air problems is to potential sources of indoor air pollution.

大学英语六级

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