九年级英语全册Unit 6 When was it invented Section A（3a-3c）课件（人教新目标版）
九年级英语全册Unit 6 When was it invented Section A（3a-3c）课件（人教新目标版）,人教版九年级英语上册课件,莲山课件.
Pair work
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
When was the telephone invented?
I think it was invented in 1876.
1. invent v. 发明
指经过认识和实践创造出前所未有的事物。
Edison invented the light bulb.
爱迪生发明了电灯泡。
invention和inventor都是名词, 前者意为“发明”, 后者意为“发明家”。
discover, invent和find都是动词, 它们的词义相近, 但是有区别:
discover意为“发现”, 指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。
The lost bike was discovered at the bus stop.
丢了的自行车发现在公共汽车站那儿。
Later I discovered that he was so kind.
后来我发现他如此善良。
九年级英语全册Unit 6 When was it invented Section B（2a-3b）课件（人教新目标版）
九年级英语全册Unit 6 When was it invented Section B（2a-3b）课件（人教新目标版）,人教版九年级英语上册课件,莲山课件.
