学习目标

一、熟练掌握以下词汇：material, chopsticks, coin, fork, blouse, silver, glass, cotton, steel, grass, leaf, produce, widely, process 二、通过学习，掌握下列句型： 1. A: What is the ring made of? B: I think it is made of silver. 2. A: Where was it made? B: It was made in Thailand. 3. A: Who were they made by? B: They were made by university students. 三、1. 正确运用被动语态谈论物品的材料和产地。 2. 掌握一般过去时态的被动语态,由 was/were +过去分词构成。学会be made of和be made in的用法 四、通过熟悉我们周围经常使用的物品的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考，善于总结的好习惯。