全新版大学英语第一册Unit Three.pptVIP

Unit three Public Attitudes toward Science What makes Hawking’s achievement so remarkable? (The contrast between the strength of his mind and the weakness of his body.) Difference between narration and exposition Exposition: the process of making a statement and then supporting it with evidence. It begins with a statement of opinion, then goes on to give supporting details. Third-person narration is often adopted. Sentences in passive voice appear regularly. The Outline of the Unit Three Background Structure Analysis Text Analysis background Stephen Hawking A famous British physicist. He has improved on the “black holes theory”, making distinguished contribution to the exposition of the origin of universe. He is considered as the most marvellous theoretical physicist and he’s done most of his work while confined to a wheelchair. 2. Frankenstein It’s a novel, written by Mary Shelly. 3. Ei Nino (厄尔尼诺现象) Ei Nino is a kind of unusual increase of temperature in the equatorial Pacific(太平洋热带海域). It is an abnormal phenomenon caused by ocean atmosphere coupling. 厄尔尼诺是太平洋热带海域一种少见的气温上升的现象，这种不正常的现象是由海水和大气相互作用造成的。 Structural Analysis Paras.1-3: To make informed decisions about change, the public needs a basic understanding of science. Paras.4-6: What can be done to educate the public about science. Paras.7: With an informed public, human civilization will survive. Text analysis 1. likely: adj. 可能的；适当的 adv.(常与most, very连用)可能的 句型：It is likely/possible/probably that… likely/ apt/ liable ①likely:有发生的可能 e.g. It is likely to rain. ②apt: 天生或习惯上有…倾向，同时也用作与likely一样的意思。 e.g. He is apt to catch (a) cold. ③liable: 容易陷入…, 容易患… e.g. Beginners are liable to make mistakes. She is likely to succeed. It is likely that she will succeed. “她或许有成功的可能.” 2. minority: n. 少数；少数民族 adj.少数的；少数民族的；少数群体的 e.g. Only a minority of British households don’t have a car. be in (the) minority/majority 占少数/多少 e.g. We