Unit 6When was it invented
How much do you know about international basketball teams in America
Match the right information
The LakersCelticsHouston RocketsChicago Bulls 凯尔特人队芝加哥公牛队火箭队湖人队 It is often difficult to decide on the inventor of certain inventions
This is because sometimes a few people may ______ things which are _______ the same
It’s hard to tell who came up with the idea first
Some inventions can also lead to other inventions ____________
1 complete the passage with the correct forms of the words in the box
invent doubt mention Nearly website all of a suddeninventnearlyall of sudden So some people ______ whether the inventor came up with the idea himself or herself
They think that the inventor used someone else’s idea to create his or her invention
That is why books or