新概念英语第四册Lesson 16 The modern city
Lesson 16 The modern city 现代城市 First listen and then answer the following question. 听录音，然后回答以下问题。 What is the author's main argument about the modern city? In the organization of industrial life the influence of the f
新概念英语第四册Lesson 17 A man-made disease
Lesson 17 A man-made disease 人为的疾病 First listen and then answer the following question. 听录音，然后回答以下问题。 What factor helped to spread the disease of myxomatosis? In the early days of the settlement of Australia, enterp
新概念英语第四册Lesson 18 Porpoises
Lesson 18 Porpoises 海豚 First listen and then answer the following question. 听录音，然后回答以下问题。 What would you say is the main characteristic of porpoises? There has long been a superstition among mariners that porpoises will s
新概念英语第四册Lesson 19 The stuff of dreams
Lesson 19 The stuff of dreams 话说梦的本质 First listen and then answer the following question. 听录音，然后回答以下问题。 What is going on when a person experiences rapid eye-movements during sleep? It is fairly clear that sleeping
新概念英语第四册Lesson 20 Snake poison
Lesson 20 Snake poison 蛇毒 First listen and then answer the following question. 听录音，然后回答以下问题。 What are the two different ways in which snake poison acts? How it came about that snakes manufactured poison is a mystery. Over
新概念英语第四册Lesson 21 William S. Hart and the ear
Lesson 21 William S. Hart and the early 'Western' film 威廉.S. 哈特和早期限的西部影片 First listen and then answer the following question. 听录音，然后回答以下问题。 How did William Hart's childhood prepare him for his acting
新概念英语第四册Lesson 22 Knowledge and progress
Lesson 22 Knowledge and progress 知识和进步 First listen and then answer the following question. 听录音，然后回答以下问题。 In what two areas have people made no 'progress' at all? Why does the idea of progress loom so large in the m
新概念英语第四册Lesson 23 Bird flight
Lesson 23 Bird flight 鸟的飞行方法 First listen and then answer the following question. 听录音，然后回答以下问题。 What are the two main types of bird flight described by the author? No two sorts of birds practise quite the same sor
新概念英语第四册Lesson 24 Beauty
Lesson 24 Beatuy 美 First listen and then answer the following question. 听录音，然后回答以下问题。 What do glimpses of beauty, either in nature or art, often suggest to the human mind? A young man sees a sunset and, unable to understand
新概念英语第四册Lesson 25 Non-auditory effects of noi
Lesson 25 Non-auditory effects of noise 噪音的非听觉效应 First listen and then answer the following question. 听录音，然后回答以下问题。 What conclusion does the author draw about noise and health in this piece? May people in indu
新概念英语第四册Lesson 26 The past life of the earth
Lesson 26 The past life of the earth 地球上的昔日生命 First listen and then answer the following question. 听录音，然后回答以下问题。 What is the main condition for the preservation of the remains of any living creature? It is ani
新概念英语第四册Lesson 27 The ‘Vasa’
Lesson 27 The 'Vasa' 瓦萨号 First listen and then answer the following question. 听录音，然后回答以下问题。 What happened to the 'Vasa' almost immediately after she was launched? From the seventeenth-century empire of Sweden, the story
新概念英语第四册Lesson 28 Patients and doctors
Lesson 28 Patients and doctors 病人与医生 First listen and then answer the following question. 听录音，然后回答以下问题。 What are patients looking for when they visit the doctor? This is a sceptical age, but although our faith in ma
新概念英语第四册Lesson 29 The hovercraft
Lesson 29 The hovercraft 气垫船 First listen and then answer the following question. 听录音，然后回答以下问题。 What is a hovercraft riding on when it is in motion? Many strange new means of transport have been developed in our century
新概念英语第四册Lesson 30 Exploring the sea-floor
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea-surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land. The open sea was deep and mys
