高中英语人教版2003年高一下04

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[00:00.00]和谐英语学习网 Unit 16
[00:01.79]16单元
[00:03.58]Scientists at work
[00:05.32]工作中的科学家
[00:07.05]Speaking
[00:08.37]说
[00:09.69]The work of scientists is often discussed.
[00:11.92]科学家的工作经常引起争论.
[00:14.16]Work in pairs and discuss the advantages and disadvantages
[00:17.42]两人一组进行练习,讨论优点和缺点.
[00:20.69]of the following scientific discoveries and applications.
[00:23.61]下面的科学发现及应用
[00:26.54]A:Shanghai is the first city in the world
[00:28.67]A:上海是世界上第一个
[00:30.80]to build a high speed maglev train,from the city to Pudong Airport.
[00:34.29]修建高速磁悬浮铁路上城市.铁路从市区延伸到浦东机场.
[00:37.77]B:Well,in my opinion it's a waste of money.It's much too expensive.
[00:41.30]B:依我看,这是浪费钱.它太贵了.
[00:44.83]A:It's expensive, but very fast.
[00:46.94]A:它是很贵,但是很快.
[00:49.06]In the future,people can travel from Beijing to Shanghai in a few hours.
[00:52.23]将来,人们可以在几个小时内从北京到达上海.
[00:55.41]B:Flying is just as fast.
[00:57.33]B:飞机也可以这么快,这笔钱最好用来
[00:59.25]The money would be better spent building more roads or railways in other parts of China.
[01:03.18]在中国别的地方修建更多的公路和铁路.
[01:07.11]A:More roads and trains mean more pollution.
[01:09.45]A:更多的公路和铁路就意味着更多的污染.
[01:11.78]This new train has no wheels and no engine.
[01:14.16]这种新的火车没有轮子,也没有引擎.
[01:16.54]It's fast and clean and it doesn't make any noise,as planes do.
[01:19.57]它既快又清洁,而且像飞机一样,不会产生噪音.
[01:22.60]We should make more use of this new technology.
[01:24.94]我们应该更多地利用这项新技术.
[01:27.28]READING
[01:28.50]阅读
[01:29.73]FRANKLIN'S FAMOUS KITE EXPERIMENT
[01:31.91]富兰克林的著名风筝 实验
[01:34.09]In the eighteenth century,
[01:35.92]在18世纪,
[01:37.75]Benjamin Franklin conducted a number of experiments in which he showed what electricity is.
[01:41.63]本杰明.富兰克林做了一系列试验,以证明电是什么.
[01:45.51]Here is how he described one of his experiments.
[01:48.08]请看他是如何描述他其中的一次实验的:
[01:50.65]In June 1752,
[01:52.69]1752年6月,
[01:54.73]I wanted to show that lightning and electricity are the same.
[01:57.71]我想演示闪电和电是一回事.
[02:00.69]Having realised that I could use a kite to attract lightning
[02:03.86]意识到可以使用风筝来吸引闪电之后,
[02:07.03]I decided to do an experiment.
[02:09.21]我便决定做一次实验.
[02:11.40]I built a strong kite and waited for bad weather.
[02:14.11]我做了一个结实的风筝,等待着糟糕的天气.
[02:16.83]When the first thunderstorm came,
[02:18.89]当第一次雷暴来临时,
[02:20.96]I took my condenser to a shed in the fields where I could do my experiment.
[02:24.44]我把我的电容器带到田间座可以做实验的小屋
[02:27.93]My son helped me fly the kite.
[02:30.11]我的儿子帮我放风筝.
[02:32.29]The kite flew high in the rainy sky,but nothing happened.
[02:35.23]风筝在下雨的空中飞得很高,但什么事情也没有发生.
[02:38.17]I was beginning to think that the experiment would not work.
[02:41.10]我开始想这次实验要失败了.
[02:44.02]Just then ,I saw some of the hairs on the string stand up.
[02:47.20]正在此时,我看到细绳上的一些毛发竖了起来.
[02:50.37]The string was getting charged!
[02:52.41]细绳带电了!
[02:54.45]I brought my finger close to the key
[02:56.57]我把自己的手指靠近钥匙
[02:58.70]and felt a light but very clear electric shock.
[03:01.38]能感到轻微但很明显的电击.
[03:04.06]Others followed even before the whole string was wet,
[03:06.63]细绳上的其他细毛在风筝线被打湿之前也随之立了起来,
[03:09.20]and I was able to collect and store a great deal of electricity in the condenser.
[03:12.78]这样我就能够把大量的电收集在电容器中.
[03:16.36]This experiment proves that lightning and electricity
[03:19.09]这次实验证明了闪电和电
[03:21.82]are the same.
[03:23.19]是一回事.
[03:24.56]To do the experiment you need four things:
[03:26.89]要做这样的实验你需要四件东西:
[03:29.21]a kite,a key,some really bad weather and a condenser to store electricity.
[03:33.45]一个风筝,一个钥匙,恶劣的天气和一个采集并贮存电的电容器.
[03:37.68]Most kites are made of paper,
[03:39.56]大多数风筝都是纸做的,