8．It is natural _____ children are curious about the world around them．（　�。�
A．thatB．whetherC．whatD．how

分析 孩子們對于周圍的世界感到好奇是很自然的．

解答 答案是A．考查名詞性從句，本句的主語是句子 children are curious about the world around them，句中不缺少主語或者賓語用that引導，it是形式主語，所以答案選A．

點評 名詞性從句一直是高考考查的熱點，近幾年的高考題主要考察在具體語境中對what和that的辨析，此外，也要求學生對定語從句和名詞性從句有清晰的辨認． 首先我們要判斷它是哪個名詞性從句．名詞性從句是主句的一部分，可以充當主語、賓語、表語、同位語．就是說，如果我們能判斷出某個從句是某個主句的主語、賓語、表語或同位語

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