解答说明文阅读题,先要了解说明文的常识。说明文是以说明为主要表达方式的文章,是对事物作客观说明的一种文体。说明事物的性质、状态、特点、功能等,阐明事理,解说事物之间的关系,给人以知识。知识性和科学性是说明文的主要特点。通常,依据说 Answer explanatory reading questions, you must first understand the common sense. Description is based on the description of the article as the main expression of things is an objective description of a style. Describe the nature of things, status, features, functions, etc., to clarify things, explain the relationship between things, give people knowledge. Knowledge and science are the main features of the description. Usually, according to the said