这是一节六(6)班的科学课,我准备和该班学生一起学习《变色花》一课。我刚走进实验室,一股难闻的怪味就扑鼻而来。还没等我向同学们问好,就有学生高声汇报:“老师,我们自制的紫甘蓝汁有臭味了。”我一听很是纳闷,其他班都已经上过这一课,我还从来没有遇到过这样的情况呢!于是,新课就从讨论紫甘蓝汁为什么会出现变味开始。经过学生一番七嘴八舌的汇报,我总算弄清了原委。原来,学生在上个星期天就买了紫甘蓝制成了甘蓝汁,上周三的科学课因为学校搞质量调研被迫取消了。周五的科学课又因为“红领巾跳蚤市场”而再次错过。今天已距他们制 This is a science class in six (6) classes, and I am going to take a lesson with “Color Flower” with this class of students. I just walked into the laboratory, an unpleasant smell on the nose. Before I say hello to my classmates, some students report loudly: “Teacher, our homemade purple cabbage smelly.” I was very puzzled that other classes had already attended this class and I also I’ve never encountered such a situation! So, the new lesson from the discussion of why the taste of purple cabbage juice began to taste. After a lot of students rumored to report, I finally figure out the whole story. Originally, students bought purple cabbage last Sunday to make cabbage juice, and last Wednesday’s science class was forced to cancel because of the school’s quality research. Friday’s science class again because of “red scarf flea market” and missed again. Today is away from them