5.black 6.brown 7.white 8.orange9.OK 10.mumUnit 3 身体部位1.face 2.ear 3.eye 4.nose 5.mouth 6.arm 7.hand 8.head 9.body10.leg 11.foot 12.schoolUnit 4 动物1.duck 2.pig 3.cat 4.bear 5.dog 6.elephant 7.monkey 8.bird 9.tiger 10.panda 11.zoo 12.funnyUnit 5 食物1.bread 2.juice 3.egg 4.milk 5.water 6.cake 7.fish 8.riceUnit 6 数词1.one 2.two 3.three 4.four 5.five 6.six 7.seven 8.eight 9.nine 10.ten11.brother 12.plate