题目

假设你是红星中学高三（1）班学生李华。为迎接建国70周年，上个月学校组织了祖国在我心中主题知识竞赛。请根据以下四幅图的先后顺序，介绍你和同学们参加活动的完整过程，并以A Significant Event为题，给校刊英语角投稿。词数不少于60。 A Significant Event 答案：A SignificantEvent Last month, our school organized a knowledge contest entitledMotherland in My Heart, which proved to be a significant event. After the teacher announced the news, everyone was eager to participate.As we knew the victory required careful preparation, we spent the following daysworking on it. We surfed the Internet about the changes in different aspects, includingeconomy, culture,所有的原核细胞都具有（ ）A.核糖体和线粒体B.细胞膜和叶绿林C.内质网和中心体D.细胞膜和核糖体