新概念英语85年上外美音版第四册 第21课
时间：2018-12-24 作者：英语课 分类：新概念英语85年上外美音版
Lesson 21 Science Makes Sense 知识源于科学
In the early days of the settlement of Australia, enterprising settlers unwisely introduced the European rabbit. This rabbit had no natural enemies in the Antipodes, so that it multiplied with that promiscuous 1 abandon characteristic of rabbits. It overran a whole continent. It caused devastation 2 by burrowing 3 and by devouring 4 the herbage which might have maintained millions of sheep and cattle. Scientists discovered that this particular variety of rabbit (and apparently 5 no other animal) was susceptible 6 to a fatal virus disease, myxomatosis. By infecting animals and letting them loose in the burrows 7, local epidemics 8 of this disease could be created. Later it was found that there was a type of mosquito which acted as the carrier of this disease and passed it on to the rabbits. So while the rest of the world was trying to get rid of mosquitoes, Australia was encouraging this one. It effectively spread the disease all over the continent and drastically reduced the rabbit population. lt later became apparent that rabbits were developing a degree of resistance to this disease, so that the rabbit population was unlikely to be completely exterminated 9. There were hopes, however, that the problem of the rabbit would become manageable.
Ironically, Europe, which had bequeathed the rabbit as a pest to Australia acquired this man-made disease as a pestilence 10. A French physician decided 11 to get rid of the wild rabbits on his own estate and introduced myxomatosis. It did not, however, remain within the confines of his estate. It spread through France where wild rabbits are not generally regarded as a pest but as a sport and a useful food supply, and it spread to Britain where wild rabbits are regarded as a pest but where domesticated 12 rabbits, equally susceptible to the disease, are the basis of a profitable fur industry. The question became one of whether Man could control the disease he had invented.
- They were taking a promiscuous stroll when it began to rain.他们正在那漫无目的地散步，突然下起雨来。
- Alec know that she was promiscuous and superficial.亚历克知道她是乱七八糟和浅薄的。
- The bomb caused widespread devastation. 炸弹造成大面积破坏。
- There was devastation on every side. 到处都是破坏的创伤。 来自《简明英汉词典》
- What are you burrowing around in my drawer for? 你在我抽屉里乱翻什么？ 来自《简明英汉词典》
- The forepaws are also used for burrowing and for dragging heavier logs. 它们的前爪还可以用来打洞和拖拽较重的树干。 来自辞典例句
- The hungry boy was devouring his dinner. 那饥饿的孩子狼吞虎咽地吃饭。
- He is devouring novel after novel. 他一味贪看小说。
- An apparently blind alley leads suddenly into an open space.山穷水尽，豁然开朗。
- He was apparently much surprised at the news.他对那个消息显然感到十分惊异。
- Children are more susceptible than adults.孩子比成人易受感动。
- We are all susceptible to advertising.我们都易受广告的影响。
- The intertidal beach unit contains some organism burrows. 潮间海滩单元含有一些生物潜穴。 来自辞典例句
- A mole burrows its way through the ground. 鼹鼠会在地下钻洞前进。 来自辞典例句
- Reliance upon natural epidemics may be both time-consuming and misleading. 依靠天然的流行既浪费时间，又会引入歧途。
- The antibiotic epidemics usually start stop when the summer rainy season begins. 传染病通常会在夏天的雨季停止传播。
- It was exterminated root and branch. 它被彻底剪除了。 来自《现代汉英综合大词典》
- The insects can be exterminated by spraying DDT. 可以用喷撒滴滴涕的方法大量杀死这种昆虫。 来自《用法词典》
- They were crazed by the famine and pestilence of that bitter winter.他们因那年严冬的饥饿与瘟疫而折磨得发狂。
- A pestilence was raging in that area. 瘟疫正在那一地区流行。
- This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
- There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。
- He is thoroughly domesticated and cooks a delicious chicken casserole. 他精于家务，烹制的砂锅炖小鸡非常可口。 来自《简明英汉词典》
- The donkey is a domesticated form of the African wild ass. 驴是非洲野驴的一种已驯化的品种。 来自《简明英汉词典》