【正文】
) lost her footing and just now. over ill through into ( B ) the world,more than 10 million people die hunger every year. ( B ) have too many trees to make desks,chairs and so on. up down up off Ⅱ .補(bǔ)全對(duì)話 Teacher:Does anyone know how heavy a cat is? Boy:1. E Teacher:2. D Girl:Only a few grams,I’m sure. Teacher:...A cat weighs many times more than an insect. Girl:And what about the difference between a dog and a giant panda in size? Teacher:3. C But I would say that a big dog is just less than half the siz