M6U2 The WWF is working hard to save them all !
导学目标：
1. 掌握并正确运用下列单词和词组：research, baby, situation, scientist, produce, government, nature, nature park, develop , feed,fed , simbol
2.能够运用所学相关语言知识谈论濒危动物并掌握动词不定式作宾语补足语和目的状语的语法功能。
自主预习：
一、词形转换
1 .danger（形容词) ___________2. baby（复数) ____________
3.grow（过去式）_____________4. choose（过去式）____________
5. bear（过去分词）____________6. set (动名词)___________
7centre （复数) ____________8 get (动名词)___________
9 feed （过去式）____________
