Unit 1 Hello ! 第三课时Hello!Hello,I’m helen.Hello ,Hello, hello! Hello!Zoo动物园Cat,I’m a cat.Cat,a catDog ,Dog ,I’m a dog.a dogan elephantHello , I’m an elephant.a zebraHello,I’m a zebra.找找哪些是你本节课学到的哦!Home work 抄写本节课的单词:a cat a dog an elephant a zebraClass is over!Good bye!Bye bye!