文档介绍：Unit1一、根据句子意思,首字母和汉语注释,写出适当单词。(teenage).(humor)(线)istheshortestdistance(距离)betweentwopoints(点).(高).(极好的)、用括号中单词的正确形式填空。(slim)(sing)(weigh)(beautiful)(expensive).Idon’(young)’tbe________(happy)’(be)(interest)、单项选择。( )                ( )’      ( )                ,B&C( )4.—IsJohnverytall?—        ( );laughing