Module8 unit 3 Reading The problem of the snakes学案 Step1. Leading in-1). Riddle guessing - what is it?(1). Its made of plastics and metal.It looks like a small box.The invention can contact someone while you are on the move.(2): It is small and you can find it in your schoolbag. It is a machine that can help you with math problem.(3): it was born in the 1970s. It has a CPU, a mouse and a keyboard2). Get Ss to tell as many th
