Unit2 Lesson 15,Are you ready for a quiz,教学目标,重点单词： Strong，healthy，weak，sick，skin，bone，muscles，chicken，fruit，meat，fish，vegetables,We are strong and healthy,strong and healthy,weak and sick,Whats strong and healthy,chicken,fish,fruit,meat,vegetables,For strong muscles, you need exercise,What is exercise,Walking is exercise,Running is exercise,Playing ping-pong is exercise,Riding a bike is exercise,Healthy skin is clean skin,Wash your face,Take showers or baths,always eat breakfast,For a healthy b
