Lesson 17 How do animals protect themselves？

Learning

　　Animals protect themselves in different ways.

　　1）Lions and tigers have sharp teeth and claws.

　　2）Zebras have powerful hoofs.

　　3）Rhinoceroses have strong horns on their heads.

　　4）Bees have poisonous stings and snakes have poisonous fangs.

　　5）Monkeys can climb up trees very quickly.

　　6）Deer can run very fast.s

Testing

　　How do leopards protect themselves？

　　A. They have strong horns.

　　B. They have poisonous stings.

　　C. They have sharp teeth and claws.

　　D. They have powerful hoofs.

Words and Expressions

　　themselves [J+m>selvz] pron 他们（它们）自己

　　sharp [Ma:p] adj 尖锐的，锋利的

　　claw [kl&:] n 爪

　　powerful [>pau+ful] adj 有力的

　　hoof [hu:f] n 蹄

　　rhinoceros [rai>n&s+r+s] n 犀牛

　　strong [str&R] adj 强大的，健壮的

　　horn [h&:n] n （动物的）角

　　poisonous [>p&izn+s] adj 有毒的

　　sting [stiR] n 刺，蛰

　　fang [f$R] n 毒牙

　　climb [klaim] v 爬

　　tree [tri:] n 树

　　quickly [>kwikli] adv 快速地

　　run [r)n] v 跑

　　leopard [>lep+d] n 豹