Teaching aims¡¡¡¡¡¡¡¡¡¡

1£®Grasp the basic information about the killer whales£¬such as size£¬habitat£¬food£¬how they hunt animals and the relationship with human beings.

2£®Learn to retell the two anecdotes with the help of some key words.

3£®Make sure the students know that killer whales are friends of human beings and we should keep balance with nature.