Unit 6 Nature in Words Developing ideas 课件-2023-2024学年高二下学期英语外研版（2019）选择性必修第三册

B6U6 Developing ideas Pre-reading Look at the infographic below and answer the questions. Activity 1 Facts about DDT: DDT was first produced in 1874 and was later used as pesticide. It stays in the environment. It is highly poisonous to living organism (生物，有机体), including humans. Now banned in many countries, it is still used in some for malaria control. n. 污染；弄脏 v. 渗入；透过 Pre-reading 1 How does DDT reach the human body in the food chain? a. When DDT is sprayed onto plants in order to kill insects, it is absorbed by the plants and subsequently consumed by animals; humans in turn eat those animals. b. DDT also leaks (渗漏) through the soil and into rivers and lakes, where it contaminates fish consumed by humans. 2 What harm does DDT cause? DDT is highly poisonous to living organism, including humans. Activity 1 What led to the changes? DDT was first produced in 1874. Paul Hermann Muller, a Swiss Scientist, was awarded the 1948 Nobel Prize in Physiology or Medicine for his 1939 discovery of insecticidal (杀虫的) qualities and use of DDT in the control of vector diseases (媒介传染病) such as malaria and yellow fever (黄热病). Use of DDT began to be restricted in the 1960s, thanks in part to the public awareness raised by Rachel Carson’s Silent Spring (1962). DDT was banned completely in the 1970s in many countries. In September 2006, the World Health Organization (WHO) declared its support for the indoor use of DDT in African countries where malaria remains a major health problem , citing that benefits of the pesticide outweigh the health and environmental risks. Predicting 1 What is the genre of the passage? A book review on Silent Spring. 2 What aspect will probably be mentioned in the passage? Read and check your prediction. Activity 2 An excerpt from the book Introduction Content Comment Influence While-reading Organise information from the passage and complete the notes about Silent Spring. Activity 3 While-reading Organise information from the passage and complete the notes about Silent Spring. Activity 3 1962 the damaging effects of human activity more responsible, limited and carefully monitored scientific information, examples and research beautiful and elegant 7 While-reading Why did some people challenge Carson’s findings? Because they were concerned about the negative impact they would have on business in the pesticide industry. Activity 3 The pesticide industry defend her claims The use of DDT Presidential Medal of Freedom environmental awareness Why was Silent Spring so successful? Because it alerted the general public to the damaging effect of human activity on natural ecosystems and eventually changed the world. 8 Post-reading 1 What is the moral lesson behind “A Fable for Tomorrow”? Activity 3 A fable is a story which teaches a moral lesson. eg. Aesop's Fables Financial profit should not come at the expense of the environment and the creatures living in it. Post-reading 2 In what different ways do First Snow and Silent Spring raise people’s awareness of nature? First Snow shows the beauty of nature – and in particular the snow – through its words and imagery, while Silent Spring describes an unnatural spring without the beauty of birdsong. They each raise people’s awareness of nature by highlighting the interplay between nature and human behaviour. Activity 3 Activity 1 对……有剧毒 污染，弄脏 v./n./adj. 被……吸收 被……吃/喝 渗入水中 be highly poisonous to contaminate (v.) sth. with sth. contamination (n.) contaminated (adj.) blood/food/soil be adsorbed by be consumed by filter into water filter n. 过滤器 eg. coffee/water/air filter 滤镜 11 P1-2 安静；宁静 Many people speak of them, _______ (puzzle) and ________ (disturb). 被抛弃、舍弃 剧烈颤抖 throb (v. -bb-) with sth. lie (– lay – lain) over the field by profession alert sb. to sth. 对……的破坏性影响 knowingly adv. 受监管的 be deserted tremble violently 有规律地颤动 笼罩 在职业上，就职业来说 使某人意识到 have a damaging effect on 知情地；故意地 monitored puzzled disturbed stillness 12 P 3-4 urge sb. to do 科学研究 个案研究 detail (v.) sth. 根除 n. 50 or so pages 立竿见影的深远影响 发起绿色运动的里程碑 催促，力劝 scientific research (n. [U]) case study (n. [C]) 详细列举；详细说明 eradication; eradicate sth. from sth. 大约，将近 an immediate and far-reaching impact a milestone in the launch of green movement 13 P5-6 be received positively 企图做某事 stand by her research defend her claims ring loud and clear 对...易懂的；可接近的 值得被重新阅读 得到积极回应 attempt (v./n.) to do 继续支持；坚持 为她的主张辩护 to give the impression of being loud and clear eg. ring true/false be accessible to deserve to be reread = deserve rereading 【句子分析】This is not so much because of the quality of her arguments, strong though they are, but because of the beauty and elegance of her writing. 14 Writing a poem about nature Read the poems and tick the correct box(es) for each question. bonnet n.在颌下系带的帽子 curtsy v. 行屈膝礼 daffodowndilly = daffodil 水仙花 rhyme n./v. 押韵 personification n. 拟人 e e cummings Edward Estlin Cummings (1894 – 1962), often styled as E. E. cummings, was an American poet, painter, essayist, author, and playwright. He wrote approximately 2,900 poems. He is often regarded as one of the most important American poets of the 20th century. Cummings is associated with modernist free-form poetry. Much of his work has unusual syntax (句法) and uses lower-case (小写) spellings for poetic expression. the sky was Reference: luminous adj. 发光的 edible adj. 可食用的 spry adj. 充满生气的 locomotive n. 火车头 spout v. 喷出 violet n. 紫罗兰色 Writing a poem about nature Think about words and expressions related to nature and add them to the mind map. Write a poem about nature, using figures of speech discussed earlier. $$