2020春人教版八年级英语下册Unit6 拓展阅读训练

2020年新目标八年级下册Unit6 拓展阅读训练 — 扩宽视野，启迪心智 韩老师 A. A film about Peppa Pig was shown on February 5th，just in time for the Year of the Pig on the Chinese calendar.It made Peppa Pig more popular.As we know，Peppa Pig and her family love jumping in muddy puddles．In fact，all pigs love mud (泥浆). Do you know why? Just ask a pig.Mud is cool! When humans get hot，we sweat．Our bodies need to stay about the same temperature —37℃ —all the time.To keep our bodies at the correct temperature，we sweat when we get hot.As we sweat，the water evaporates(蒸发) into the air and we feel cool.However，pigs can't sweat like we do.So what do pigs do when they get hot? They roll around in the mud(泥浆）！It helps cool pigs down.Mud can keep them cool longer. Pigs also use mud as a form of sunscreen.They spend a lot of time outside and their light pink skin can get sunburned very easily.When mud dries on their skin，it protects them from the harm