单词归类：将下列各组属于同一类别的单词找出，并写在相应的横线上；不属于该类别的写在括号内。

( )1. 职业类：actor tiger teacher angry dentist    ___________________________

( )2. 电器类：floor light radio paper computer    ___________________________

( )3. 食物类：noodle bread taste cake jacket       ___________________________

( )4. 植物类：plane flower grass ram leaf           ___________________________