填空题____
填空题
____
参考解析
解析：
室内污染造成的长期影响（long-term effects）可能在多年后才会显示出来，这些包括心脏病或者癌症之类的大病，一般是会比较严重并致命的（fatal），这样才能使得语义走向一致，前后呼应。故本题选C。
室内污染造成的长期影响（long-term effects）可能在多年后才会显示出来，这些包括心脏病或者癌症之类的大病，一般是会比较严重并致命的（fatal），这样才能使得语义走向一致，前后呼应。故本题选C。
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