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! Homework: Describe one of your inventions And then write it down. ? 人類的每一次改革都是社會前進(jìn)的步伐,每一次思想的升華都越來越接近文明。發(fā)明使人類由黑暗走向光明。 正因為如此,社會離不開發(fā)明。讓我們一起走向發(fā)明的前源吧。 When was it invented ? alarm clock telling the time Imagine that you are alone on a tiny island .Choose five things you would like to have on the island with you .Tell the group what you chose and why. ? 4 Answers A:I’d like to have a radio because I could listen to music all day. B: Yes, but that’s not going to help you leave the island. I think it would be better to have