丹麦物理学家雅各布·博尔不小心打碎了一个花瓶,他细心地收集起满地的碎片,按重量的数量级分类,由此发现不同的重量级间表现为统一的倍数关系,这一发现对恢复文物、陨石等不知其原貌的物体产生了明显效果。这启示我们①认识对实践具有能动的反作用②意外和失误是产生智慧、取得成功的起点③实践是检验认识正确与否的唯一标准④发挥主观能动性能促使矛盾向有利方向转化
.---Tom is ill. When shall we go to see him, on Saturday or on Sunday? ---_________. Either will do.
---Are you worried about the coming exam? ---No, I think the more _________you are, _________mistakes you’ll make.
---Can you tell me something about your school rules? ---Well, We are told ______anywhere. It’s our duty to keep our school clean and tidy.
---Will you join us to play basketball on Saturday afternoon? ---_________, but I promised to go swimming with Eric.
---Excuse me, could you tell me _______? ---Sorry, sir. I wasn’t there at that time.