1、Unit 6 When was it invented?,Section A(1a-2d),任务一,任务二,根据图片内容,完成下面的任务。任务一:从方框内选择对应的单词与图片匹配。(有两个多余选项) zipper computer heel scoop glove telephone 1. 2. 3. 4.,computer,zipper,telephone,scoop,任务一,任务二,任务二:想一想, 它们各有什么用途, 并用句子 “It is used for .” 表达出来。,答案：略,When was the telephone invented? 电话是什么时候发明的? (1)此句是
2、一般过去时被动语态的特殊疑问句。一般过去时被动语态的构成为“was/were+及物动词的过去分词”。如: The bridge was built before 1960. 这座大桥是1960年以前建造的。 (2)invent是动词,意为“发明,创造”,其派生词有:invention n.发明;inventor n.发明家。如: Edison is one of the greatest inventors in the world.He invented lots of useful things.During his lifetime,he made more than 1,000 inventions. 爱迪生是世界上最伟大的发明家之一,他发明了许多有用的东西,他一生中有1000多项发明。,invent,discover与find用法图解,
