1、Unit 9When was it invented?Section A一.Words:invent (v)invents inventing invented inventor invention(s) eg: He plans to invent a new adjustable calculator to be used for calculating the cost.Shoes with adjustable heels are a new kind of invention, they are used to change the style of the shoes.adjust
2、(v)-adjustable (adj)operate(v)-operation( n)operator(n)operate on(v)eg: The operator of the computer can not operate the lift.The doctor is operating on the sick man.battery (n) batteriesbatteryoperated (adj) well-cooked,hand-held eg: The batteryoperated clock will not work without battery.slipper(n
3、) slipperseg: Batteryoperated / electric slippers are used for seeing in the dark.heat(v/n)hot(adj)Heat up the water,please!scoop(v/n) spoon(s)eg: Heated ice cream scoop is used for scooping cold ice creambulblight bulbs microwave-microwave oven 二,phrases:1.be used for sth / doing sth =be used to do
4、 sth2.shoes with adjustable heels3. batteryoperated slippers4. heated ice cream scoop5. change the style of the shoes6. take a history class7. cant afford sth / to do sth8 . a hand-held calculator 9. from casual to dressy 10. all day 11 .heat up 三，sentances ,1.-When/Where/Who was the telephoneinvent
5、ed by?-I nthink it was invented in 1876 /in America /by Bell.2.-What is it used for ?.-It is used for seeing in the dark.3. It was back in 1853.4.Life must have been difficult when you were a kid .5.I bet cars werent invented yet.6.-What do you think is the most helpful invention?-I think the most h
6、elpful invention is the lihgt bulb.It gives people more time to work and play every day.四，schoolwork for today1,Do you know who i the cars in 1885? I dont know the i of them.But I can look him or her up online.2.I usually wear s after washing my feet before going to bed.3.When were e slippers invent
7、ed? In 1987.4.They are u for seeing in the dark.5.Lin Tao often helps others, he is h .6.Can you o this computer?7.He often uses a microwave oven to h up the cold food for lunch. 8.Edison was a great . He lots of useful all his life.(invent)9.He (adjustable) himself to the school way of life last ye
8、ar 10. The light bulb ( invent) in last century.11.He (see) to go into the room just now.A: What are those? B: Theyre slippers.A: What are they for ?B: Theyre used to see in the dark.A:Oh, cool! Who were they invented by?B;Julie Thompson. And look at this ice cream scoop.Its used for out really cold ice cream.A; My are those shoes with adjustable heels.You can move the heels up and ,and you can the style of your shoes.You can make the shoes from casual to dressy.
