23、　　　　　　　 Inventor: by a Canadian doctor named Jame NAISMITH

22、　　　　　　　 history: more than one hundred years old

21、　　　　　　　 Basketball

20、　　　　　　　 Reading

19、　　　　　　　 The abacus was invented in the sixth century by Chinese people.

18、　　　　　　　 Self check

17、　　　　　　　 Unit9 When was it invented?

16、　　　　　　　 六板书设计

15、　　　　　　　 　　

14、　　　　　　　 情景展现

情景1　　 询问发明时间

A:When was the telephone invented?

B:I think it was invented in 1876.

情景2　　 询问发明者

A:Who were they invented by?

B:They were invented by Julie Thompson.

情景3　　 谈论用途

A:what are they used for?

B:They are used for seeing in the dark.

补充对话

A:Excuse me!_______

B:They’re heated battery-operated sneakers.

A:_______

B:They were invented in 1870 .

A:________

B:By Julie Thompson.

A:________

B:They’re used for seeing in the dark.

A:How interesting! Thank you!

B:________