学习目标、学习重点：
1.重点词汇：host family, study, state, America, dragon, young, race, any other boy, children, miss, wish ,delicious, in the living room, watch boat races, the United States, Dragon Boat Festival，best wishes
2.重点句型：
(1)He’s now studying in the United States.
(2) He’s living with an American family in New York.
一、自主学习：
I.预习Section B( 2b)．翻译下列短语。
