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Unit6 When was it invented?
SectionB 3a--Self Check
学习目标
复习巩固本单元的重点单词、短语及语法
01
运用被动语态描写一件物体的发明
02
鼓励学生保持对发明探索的兴趣。
03
The invention was invented in
______.
It was invented by ____________.
It is used for__________________
___________________in a short time.
1903
two brothers
taking people from
one place to another
invention
when:
who:
what:
Talk about the inventions
invention