2.说明文可用以下开头语:
(1)According to the passage,we can know...根据文章我们可知…… (2)This passage/article is mainly about...这篇文章主要是关于…… (3)In the passage,the writer/author mainly tells us...在这篇文章中作者主要告诉我们…… (4)A new study found...一个新的研究发现…… (5)The purpose of the report is to show...这一报告的目的是表明……