题目

根据下面的表格信息创编2个对话 Nov. 1st Sept.3rd Mar. 4th May 5th sports meet singing contest maths test school trip 例如： —Whenis sports meet? —It's on November 1st. 答案：—When is singing contest? —It's on September 3rd. —When is maths test? —It's on March 4th.下图中的曲线是用过氧化氢作实验材料，根据有关实验结果绘制的。其中能说明酶具有高效性的是（　　）