内容正文:
Unit 4 Space Exploration
单元概要
核 心 单 词
重 点 短 语
单 元 语 法
单 元 写 作
astronaut, procedure, mental, intelligent, rocket, gravity, frontier, vehicle, universe, determine, satellite, launch, orbit, leap, giant, mankind, agency, data, disappointed, desire, independent, signal, recycle, muscle, lack, otherwise, beyond, current, sufficient, keen, argue, shallow, resource, attach, oxygen
carry on, on board, in the hope of doing sth., so as to (do sth.), solar system, figure out, result in, as a result, provide for sb., in closing, run out
动词不定式作定语和状语
学会写关于太空探索的议论文
Section Ⅰ Listening and Speaking
听说基础
[发音技巧]
句子的重音
1.功能:体现句子的节奏感和韵律感,突出重点,使听者更容易理解。
2.哪些词在句子中需重读?
一般来说,在句子中需重读的词都是实词,比如,名词、动词、形容词、副词、数词、代词等。不重读的多为虚词,比如,冠词、连词、介词、感叹词等。
例如:The streets are wide and clean.
I am so glad to see you again.
3.虚词需要重读的情况
(1)强调或突出某个虚词或be动词时,应将其重读。
—Are you a student?—Yes, I am.
(2)介词在句首时往往要重读。
On my way to school,my bike was broken.
(3)be动词及助动词和not结合时要重读。
Didn't I tell you yesterday?
(4)句子末尾的be动词和助动词一般要重读。