一. 教学内容：
Unit 3 Amazing Animals Lesson 17-Lesson 20
1. 单词和短语
n. pet brandy squirrel branch Amy lake scientist gorilla zebra seal camel bear
v. keep（kept, kept） chase protect waddle toss fear
adj. amazing imaginary fierce open extinct still shy
adv. somewhere still
conj. while
all kinds of make friends with
