Abstract: | Teacher: We all know that heat causes an object to expand a cold cause it to contract. Now, can anyone give me a good example? John:Well, in the summer the days are long, and in the winter the days are short. Tacher: Hands up all those who want to go to Heaven? Hands up what about you, Jimou haven't got your hand up don't you want to go to Heaven? Terry: I can't. My Mum told me to go straight home. |