Nowadays little knowledge __ to be a dangerous thing.
正确答案： C
本题解析：
【考情点拨】考查主谓一致。
【应试指导】句意：如今，知识匮乏似乎的确是一件危险的事。由句首的 nowadays能够判断，该句的时态为一般现在时，故排除 B项。little knowledge 表示的是否定意义，是不可数名词，故谓语动词要用单数，故排除 A 项和 D项。does 在这里是助动词，表示强调。
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