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Unit6 When was it invented?
SectionA
1.invent--inventor--invention
create, produce, invent
①create指“有目的的把现有材料制成新产品”，也指创造出原来不存在或与众不同的事物。其对象往往是精神上的，如艺术、文学作品中的人物及新的科学领域等
②produce指“通过劳动、加工而生产产品”，尤指“工农业产品”。
③invent 指通过想象，研究，劳动创造出前所未有的东西，尤指“科技上的发明创造”。
1)Bell the telephone.
2) This field rice.
3)People in Western countries believe that God the world.
2.with用法
带有、具有 a book with a blue cover
和…一起I like to talk with my friends.
用…Cut the watermelon with the knife.
关于、对于Are you pleased with the result?
3 pleasure un. 愉快、高兴It gives me much pleasure to be with you.
cn. It’s a pleasure to meet you.
pleased adj. 表示外部因素引起人发自内心的欣慰和愉快主语是人
We are very pleased with our new house.
pleasant adj. 愉快，高兴。指天气、时间、旅行令人高兴愉快主语是物
I hope you have a pleasant trip.
4 happen与take place
1）take place 表示“发生、举行、举办”，一般指非偶然性事件的“发生”，即这种事件的发生一定有某种原因或事先的安排
2）happen作“发生、碰巧”解，一般用于偶然或突发性事件
5 less than 少于反义词more than/over
less +adj原级+than表示“不如”=not so/as +adj原+as
Lucy is less tall than Lily.
=Lucy isn’t so/as tall as Lily. 露丝不如莉莉高。
6.such与so辨析
such后接名词或名词性短语
(1)such+(a/an)+adj.+n. I have never seen such a beautiful place before.
(2)some/any/no…+such+n. I’m sorry that I have no such books.
so后接形容词或副词
(1)so+adj./adv.或so+adj.+a/an+n. My father bought me so lovely a dog.
(2)so+many/much/few/little+n. He has so many books in his room.
so+adj.+a/an+n.可与such+(a/an)+adj.+n.句型转换
I have never read so interesting a book.=
I have never read such an interesting book.
口诀：such/so的用法活，实际运用规则多，名前such形副so，多多少少也用so,little属于特殊词，小用such,少用so.
7.mention vt.提到，说到，后接名词、代词、动词ing以及that引导的从句作宾语
He didn’t mention his illness in the letter.
Nobody mentioned going out to help him.
8. by accident 意外，偶然
I met her by accident at bus stop. 我在公共汽车站意外地见到了她。
9.It is said that…=People say that…
It is said that wisdom is born with a man.=
People say that wisdom is born with a man.
It is said that +从句：据说... 同样的结构有：
It is reported that+从句据报导...
It is known that+从句从所周知...
It is believed that+从句人们认为...
10. fall into 落入，掉进
The leaf fell into the river. 叶子落入了河里。
fall behind 落后，跟不上。
fall down 摔倒后加宾语需加from
She fell down from her bike. 她从她自行车摔倒了
If people run across the road，they may fall down. 如果人们跑过马路的话，他们可能会摔倒。fall off 跌落，从...摔下来，后直接加宾语
The girl fell off the bike. （= The girl fell down from the bike.）女孩从自行车上摔下来。
11.some time名词短语一段时间常常与延续性动词连用，对它提问用how long sometimes 频度副词有时表示动作发生的频率，它可位于句首、句中或句尾
some times 名词短语几次、几倍time 可数名词对它提问用how many times sometime 副词某时表示不确切、不具体的时间常用过去时或将来时对它提问用when 助记：分开“一段时间”，相聚“某个时候”，分开s是“倍、次”，相聚s是“有时”12.not…until意为“直到…才”，主句的动词一般是非延续性动词，until后可接名词，也可接句子
You can’t leave until Friday.
You can’t leave until your work is finished.
until引导的句子可位于句首，till则不能
13.translate v. translator n. 翻译家translation n. 翻译
14. all of a sudden=suddenly
SectionB
15. salty adj. 咸的 salt n. 盐
16. by mistake 错误地make mistakes/make a mistake犯错
I took the umbrella by mistake. 我不小心拿错了雨伞。
17.Basketball was invented by a Canadian doctor named James, who was born in 1861.
此句为非限制性定语从句，非限制性定语从句起补充说明作用，省去后不影响主句的意思，并且常用逗号与主句分开，翻译时常译成并列的分句
18. divide sth. into…将…划分成，
Let's divide ourselves into 4 groups. 让我们把我们自己划成4组。
19.teach sb. to do sth. 教某人做某事
My father taught me to swim.
teach sb. sth. 教某人某事
She taught us English at school.
