雅思阅读文章题材分为科学、人文历史和社会科学。科学是研究大自然中有机或无机的事物和现象的科学，包括天文学、物理学、化学、地球科学、生物学和地理学。人文历史包括哲学、经济学、政治学、历史学、法学、文艺学、

Spring in the Green SeasonSpring is coming. Spring is the first season of the year. In China, spring comes in February. It is still cold, but it is getting warmer and warmer. The days get longer and l