1、 a strong tiger 一只强壮的老虎 a beautiful bird 一只漂亮的鸟儿 a big elephant 一只大象 a funny monkey 一只有趣的猴子 a small mouse 一只小老鼠Part APeter:Look at this elephant.Its big.Mingming:Look at that monkey.Its funny.Lingling:Look at that tiger.Its strong.Anne:Look at this bird.Its beautiful.dragonUnit 4 These are flowers.t
2、hesethoseWhats this?This is a flower.What are these?These are two flowers.What are this?This is a tree.What are these?These are two trees.These are four birds.They are green birds.What are those?They are birds eggs.Those are grass.What are those?Those are sheep.Whats this?This is a sheep.Part A Lets listen and say.语法：名词单数变复数 a flower-flowers 花 a tree-trees 树 an egg-eggs 蛋 a bird-birds 鸟 grass 草地 不可数名词 sheep-sheep 羊 单复数同型 child-children 不规则变化一般情况下可数名词单数变复数直接加S What is this/that?This/that is a bird.What are these/those?These/those are birds.主语和谓语要一致，be动词（am,is,are)单数用is，复数用are.
