介绍:
warm up：describe an animal use English
previously：
proves of pigs and hogs
part1：words and expressions
dog：
n：一个(卑鄙的人)连(狗)的(朋友)都不配做。
v：follow 。
part 2：all kinda dogs
1、牧羊犬 sheep dog /herding dog
2、工作犬 working dog
guide dogs 导盲犬
police dogs警犬
sniffer dogs 搜救犬
3、狩猎犬 Hound dogs
4、Toy dogs 玩赏犬
5、Tibetan Mastiff 藏獒
part 3：proverbs about dogs
1，dog days
eg:it's really dog days in summer。
2,a top dog
eg:He is a top dog in the school。
3,rain cats and dogs
eg:it's rainning cats and dogs today。
4、be old dog at sth
eg：He is an dog at computer repairing。
5、Every dog has his day
eg：C'mon ，every dog has his day，be live in yourself。
6、love me ，love my dog。
eg：Everthing you do i support you，so do you。
so pls love me， love my dog。
7、lead a dog's life。
eg：because of poverty，the poor people lead a dog's life。
part 3:
1、《Hachi》忠犬八公
2、>南极大冒险
3、>灵犬莱西
4、>南极大冒险
