内容正文:
2019外研版必修三 Unit 3 The world of science
3.2 Using language
目标导航
重点
词汇和词转
1. Significant adj.重要的,影响深远的→ significance n. 重要
2. injure vt. 受伤→injury n. 受伤,伤口→ injured adj. 受伤的
3.accuracy n. 精确→ accurate adj. 精确的
4. minority n. 少数→ minor adj. 小的
5. origin n. 起源→ original adj. 起初的
6. mental adj. 精神的,心理的→ mentally adv. 心理上
7. species n. 物种
8. stream n. 小河,小溪
9. extraordinary adj. 非凡的,出色的
10. theory n. 学说,理论
11. brilliant adj. 聪颖的,才华横溢的
12. cure n.药剂,疗法
重点词组
1. for instance 例如
2. passive voice 被动语态
3. get injured 受伤
4. a minority of 少数
5. a majority of 大多数
6. natural selection 自然选择
7. field research 实地研究
8. mental health 心理健康
9. cure sb of sth 治愈某人的病
10. in theory 在理论上
重点
语法
现在完成时的被动语态
1. This evening, I’ll be talking to Dr Richard Fairhurst, whose new book The New Age of Invention has just been published.
2. I guess you have been asked about the title of your book before.
3. In addition, important advances have been made in medicine and environmental science thanks to increasing computer power.
4. New inventions like 3D printers have been used to make replacement hearts and bone parts.
5. Nothing like this have been invented yet and I’d say we’re a long way from an invention like that at the moment!
知识精讲
现在完成时的被动语态
课文原句感知:
1. This evening, I’ll be talking to Dr Richard Fairhurst, whose new book The New Age of Invention has just been published.
2. I guess you have been asked about the title of your book before.
3. In addition, important advances have been made in medicine and environmental science thanks to increasing computer power.
4. New inventions like 3D printers have been used to make replacement hearts and bone parts.
5. Nothing like this have been invented yet and I’d say we’re a long way from an invention like that at the moment!
考点精讲:
现在完成时的被动语态强调过去的动作对现在造成的影响或结果, 但主语为动作的承受者, 表示“……已经被……”。
现在完成时被动语态的结构就是现在完成时态和被动语态结构的叠合, 即“have/ has been done”。
一、现在完成时态的被动语态的具体构成:
1. 现在完成时的被动语态的肯定式: have/ has been done。
2. 完成时的被动语态的否定式: have/ has