Ⅰ．Learning aims 【学习目标】
1． 知识目标：
熟记生词danger, protect, orange, cousin, brown, mad, kill, hard, away, dirty, awful, peace, find out；
熟记短语：animals in danger, need to do sth. take away, help sb. (to) do sth, decide (not ) to do sth. on earth, find out
2． 能力目标：初步掌握动词不定式及其用法，能在实际情境中正确运用动词不定式。
