Unit4 At the farm（A Lets learn、Lets talk）一、教学目标与要求1、能够听、说和认读单词：tomato， green bean, potato, carrot 及其复数形式。2、能够正确使用上述单词和these介绍各种农场蔬菜。3、掌握句型：Are these carrots? Yes, they are./No, they arent. what are these? They are。二、教学重点及难点重点：掌握单词：tomato， green bean, potato, carrot 及其复数形式。并掌握句型：Are these carrots? Yes, they are./No, they arent. What are these? They are。难点：能够在情景中运用句型：What are these? They are询问和回答各种蔬菜的名称。三、教学准备课本、录音机、磁带及单词卡片。四、教学过程1、Warm-up（1）日常口语交流：T：Whats t
