The potato chips were invented by mistake.由于错误,薯片被发明了. Mistake 做名词,意为 “弄错,误解如: You have made a fo——青夏教育精英家教网—

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4.The potato chips were invented by mistake.由于错误,薯片被发明了.

Mistake 做名词,意为 “弄错,误解”如:

You have made a foolish mistake.你犯了一个愚蠢的错误.

Mistake 作动词,意为 “弄错,误解”如:

She didn’t speak very clearly so I mistook what she said.她讲的不清楚,所以我误解了她的话.

By mistake 意为 “错误地,弄错地”.

I took his backpack by mistake. 我错拿了他的书包．

He put salt in her cup of tea by mistake.他错把盐放进她的茶里．

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3.The custom said they weren’t salty enough.这个顾客说菜不够咸.

(1)said 后是宾语从句,省略了that.当宾语从句主句用一般过去时,从句也要用过去的某种时态.如:

He asked me whom I was waiting for. 他问我在等谁.

(2)enough修饰形容词或副词时应后置.如:

The little child was not old enough to go to school.这个小孩太小了,不能去上学.

但enough 修饰名词时,可以放在名词之前,也可以放在名词之后.如:

I have enough money to buy it.( I have money enough to buy it.)

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2.It’s used for scooping really cold ice cream.它是用来舀十分冰冷的冰淇淋的.

句型be used for 意为　“被用来做……”,介词for表示用途,后接名词或动名词.如:

(1)　　 sweater is used for keeping warm.毛衣是用来保暖的.

(2)　　 The knife is used for cutting.小刀是用来切削东西的.

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1.I think the telephone was invented before the car.我认为电话在汽车之前发明的.

(1) I think 后接的一个分句做I think 的宾语,这个分句称叫做宾语从句.

(2)was invented 是被动语态.

(3)invent 做动词,意为 “发明,创造”,其名词有两种形式:一种为inventor “发明者”;一种为 invention “发明,创造”

例如:Edison was a great inventor, he invented more than 1,000 inventions in his life.

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2.be used to doing sth 习惯于做某事．　3. according to 根据，按照　4. in this way 这样　5. give sb. some time to do sths　给某人一些时间做某事. 　　 eg. 　　 The teacher gives the student two hours to do homework. 老师给同学们两个小时做作业。　6. help sb. do sth.　帮助某人做某事　　　 I’ll help you leave the island.　我将帮助你离开岛屿。　7. by accident 偶然的　　by mistake 错误的　8. fall into 落入，陷入　9. in the end= at last=finally 最后　10. make　 sb. adj. 使某人… 　　make me happy　使我开心　11. sb. called\named …　被叫作，被称作　　a chef called Black.　一个叫布莱克的厨师　　a doctor named Amy　一个叫艾米的医生　12. sprinkle a lot of salt on chips　在薯片上洒大量的盐　13. decide to do sth.　　决定做某事　　I decide to taste the hot tea　我决定品尝热茶。　14. not…until　直到…才　　You can’t leave until I arrive.　　　直到我到了你才能走。　　I can’t watch TV until I finish my home work.　直到我完成作业，我才能看电视。　15. be discovered in　年代　　be discovered in　地方　　eg. 　　The tea was discovered in China in 1610.　茶是在1610年在中国被发现的。　16. over three thousand years　三千年以上　17. produce a pleasant smell　产生一股令人愉快的气味　18. over an open fire.　　在明火上　19. in sixth century　　　在第六世纪　　in nineteenth century.　在十九世纪

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2. Change the sentences into the passive voice.

(1)　 I watered the flowers.

___________________________________.

(2)　 He turned on the light.

___________________________________.

(3)　 Who invented the air-conditioner?

___________________________________.

(4)　 Who invented the battery-operated slippers?

___________________________________.

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1. Fill in the blanks and translate the sentences.