一、重要词汇。
1．invent 动词，（1） 发明，创造。
who invented the tv set ?
the telephone was invented in 1876.
2) 虚构，杜撰。
i invented a story .
the whole story was invented .
inventor 名词，指人，“ 发明家，创造者”
i want to be a famous inventor when i grow up .
invention 名词，指物，“发明，创造”
i think the computer is the most useful invention .
thomas edison was a great american inventor . he invented more
than 1000 inventions during his life .
2．operate 动词 （1）操作，作业，；实施手术；
operate on sb. 给某人做手术。
the workers are operating in deep water .
the doctor is operating on the eyes of the patient .
（2）操作，开动（机器等）；经营，管理。
his brother operates the machine .
the man operates a factory .
3. it is better to do sth .最好做某事。
it is cold outside . it is better for you to wear warm clothes .
== it is cold outside . it is better that you should wear warm clothes .
4. used to be 过去怎么样，表示一种状态。
he used to be very thin and short .
be used to do 过去常常做某事。
they used to swim in the river .
be used to sth 习惯于某物。
he is used to the weather here .
be used to doing sth 习惯于做某事。
he is used to getting up early .
be used for doing sth===be used to do sth 被用于做某事。
this knife is used for cutting things . this knife is used to cut things.
be used as 被当作、、、使用。
this box is used as a table
5. mistake 名词，“错误，误会”；
make a mistake , make some mistakes 犯错误。
i made some mistakes in my english exam .
don’t make such a foolish mistake again .
by mistake 误拿，误做，误用。
jim ate his sister’s cake by mistake .
he put salt into his tea by mistake .
i took your umbrella by my mistake .
mistake … for … 把……错当成……
we always mistake lily for lucy .
6. sprinkle 动词，“ 撒，洒”
sprinkle sth on \ over sth ==sprinkle sth. with sth.把……撒在……上。
sprinkle a few herbs (芳草调料) on the pizza .
== sprinkle the pizza with a few herbs .
he sprinkled some water on the baby’s head .
===he sprinkled the baby’s head with some water .
7. by accident 意外地，偶然地 ==by chance
i met one of my friends on the street by accident yesterday .
8. according to 根据，依照。
according to the weather report , it will be snowy today .
according to the passage , which sentence is right ?
9. fall into 陷入，落入。
be careful , or you’ll fall into the river .
fall off （从某处）下降，跌落。
he fell off his bike yesterday .
fall down 跌倒，倒塌。
the little boy fell down just now .
fall behind 落后，跟不上。
you must try your best , or you’ll fall behind others .
fall asleep 入睡。
he was tired and fell asleep soon .
10. sometimes , some times , sometime , some time 的区别。
(1) sometimes 有时候， 偶尔， 用于一般现在时和一般过去时。
he was sometimes late for school .
(2) some times 几次， 几倍表示次数或倍数。
she came home some times .
(3) sometime 某时， 用于一般现在时和一般过去时。
he came here sometime .
4) some time 一段时间， 用于多种时态。
he will stay there for some time .
11. notice 动词，“注意到，觉察到”
notice sb\ sthi didn’t notice you when i entered .
notice + that 从句 he noticed that someone kept looking at him .
notice sb. do sth 注意到某人做了某事或经常做某事。
did you noticed anyone take the book away ?
notice sb doing sth注意到某人正在做某事。
we noticed a number of people standing at the entrance .
12．in this way 用这种方法， 这样。
in this way , you’ll find the answer to the question easily .
the song was produced in this way .
in many ways 在许多方面。
九年级英语第九单元知识点
九年级英语第九单元知识点unit 9 used for用来做 used by被使用。used in被用于场合 used as被用作。bulb电灯泡 oven微波炉。mistake错误地 accident偶然地。to根据，按照 into落入，陷入。this way这样 into与相撞。sb.happy...
九年级英语上册第九单元重要知识点总结
结。九年级英语上册第九单元重要知识点总结。unit9ilikemusicthaticanda 重点短语 1.exdo sth.期望做某事。expect sb.to do sth期望某人做某事2.catch up with追上，赶上3.dds of music各种不同的 4.quiet and gen...
四年级英语第九单元知识点
9 i can fly 一 必背单词 1 fly 飞 飞翔动词 v.2 run 跑 奔跑v.3 jump 跳，跳跃v.4 walk 走，行走v.5 swim 游泳v.6 hill 小山名词 n.7 fish 鱼n.8 little 小的，幼小的 形容词adj 9 can 能情态动词aux 10 an...