内容正文:
九上 英语
Unit 6 When was it invented?
英语教研组
-------------------------------------------词汇精讲---------------------------------------
1、 invent发明(过去不存在的事物)
(1)invention n.发明 inventor n. 发明家
(2)find “发现,找到丢失的人或物”,或指“感到”
(3)create经过努力/劳动使事物从无到有
(4)discover发现(本来就存在却不为人所知的)Discovery n. 发现 discoverer n. 发现者
【典型例题】
1、用discover,create和invent填空
(1)Gilbert ___________ electricity and Edison ___________the electric light bulb.
(2)Could you please tell us about the four great___________(发明)of China?
2、Edison ________ the light bulb and Columbus ________ America.
A.discovered; discovered B.invented; discovered C.invented; invented D.discovered; invented
2、 take place发生
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。
【拓展】
take off 脱下,起飞 take away 带走 take in 让……进入,接受 take over 接管
take down 记下 take care of 照顾 take out取出 take up 开始从事 take part in 参加
【典型例题】
1. An earthquake ____________when people were sleeping at night.
A. happened B. took place C. had D. appeared
2. Great changes _____________ in my hometown, I was nearly lost in the street.
A. happened B. appear C. took place D. showed
3. The 1st National Youth Games _________ in Fuzhou in 2015.
A. takes place B. took place C. is taken place D. was taken place
3、 boil“使……煮沸”
►例:I stood in the kitchen, waiting for the water to boil.我站在厨房,等着水烧开。
【拓展】
(1)boiling作形容词,表示 “炎热的; 沸腾的”。
►例:When everybody else is boiling hot, I’m freezing!当其他所有人都酷热难耐时,我却冻
(2)boiled作形容词,表示“煮过的;煮熟的”。
►例:I’d like to drink a glass of cool boiled water. 我想喝一杯凉开水。
4、 not only...but also...的用法
(1)not only...but also...意为“不但……而且……”
①当连接两个并列主语时,谓语动词要和与其最近的主语保持人称和数的一致,即遵循“就近原则”。其中also有时可省略,有时在连接句子时也可省略but甚至but also。
②连接句子时,not only 可以置于句首表示强调,这时第一分句要采用倒装结构。
►例:Not only I but also my mother is proud of my success.不仅我,妈妈也为我的成功而自豪。
(2)either...or...“或者……或者……,要么……要么……”,连接两个并列的主语时,谓语动词的单复数遵循“就近原则”。
►例:Either you or I am wrong.要么是你错了,要么是我错了。
(3)neither...nor...“既不……也不……