高中英语人教版高二下02

[00:02.60]第14单元人造卫星

[00:05.20]Lesson 53 1  Dialogue

[00:08.28]第53课 1 对话

[00:11.36]Jane and Zhou Lan are in London.They are wondering what to do today.

[00:14.64]简和周兰在英国。她们今天不知道要做些什么。

[00:17.92]JANE:What shall we do today?The weather's not very good.

[00:20.90]JANE：我们今天要做什么？今天的天气不是很好。

[00:23.88]ZHOU LAN:I feel like going to a museum.

[00:28.42]It's too wet to go walking around London.

[00:30.90]ZHOU LAN：我想去博物馆。天气太湿不能逛伦敦。

[00:33.38]JANE:I agree.Which museum would you like to visit?

[00:36.21]JANE：我同意。你想去参观什么博物馆？

[00:39.03]What about the Natural History Museum?So far as I know,it's free.

[00:43.30]ZHOU LAN：自然历史博物馆。就我所知，自然历史博物馆是免费的。

[00:47.57]No,not any more.It used to be free but now you have to pay to get in.

[00:51.89]JANE:不再是，以前是免费的不过现在是要钱的。

[00:56.22]ZHOU LAN:What about you?What do you feel like doing?

[00:58.95]ZHOU LAN:你呢？你想做什么？

[01:01.68]JANE:Personally,I'd rather go to the Science Museum.

[01:04.39]JANE:按我的意思我更想去科学博物馆。

[01:07.11]They've got a special exhibition on this month.

[01:12.67]It's all about space and satellites 2.

[01:15.00]他们这个月有特别的展览,是关于太空和人造卫星.

[01:17.32]ZHOU LAN:I'd like to see that too.

[01:19.31]ZHOU LAN:我也想去看.

[01:21.29]I'm planning to do a special study of satellites next term.

[01:24.52]我计划下个学期做一个人造卫星的专门学习.

[01:27.75]Maybe I could find out some useful information.

[01:30.67]我也许能找到一些有用的资料.

[01:33.60]JANE:Fine!Why don't you get your things ready?

[01:36.18]JANE:太好了!你为什么不把你的事情都准备好呢?

[01:38.77]I'll tell my mother what we've decided 3 to do.

[01:41.39]我要把这事告诉我的妈妈.

[01:44.02]Lesson 54  2 Reading comprehension 4

[01:50.11]第54课 2 阅读理解

[01:56.19]Read the passage to find the answers to these questions:

[01:58.92]阅读文章找出这些问题的答案

[02:01.65]1 Why are satellites so expensive?

[02:04.28]1 为什么人造卫星会这么贵?

[02:06.90]2 What can satellites send back to the earth?

[02:09.74]2有什么东西能使得人造卫星回到地球上.

[02:12.57]SATELLITES (1)

[02:14.45]人造卫星(1)

[02:16.33]The moon travels round the earth once every month.

[02:19.36]每个月都是月亮绕着地球跑.

[02:22.39]It is a natural satellite 1 of the earth.

[02:24.82]它是地球自然卫星.

[02:27.25]A satellite is an object,either natural or man-made 5,

[02:31.08]人造卫星是一个物体,也是自然的,或者是人造的

[02:34.91]which travels in an orbit 6 round another object in space.

[02:38.33]在太空中进入轨道卫绕着转动.

[02:41.75]Man-made satellites are carried up into space by rockets.

[02:45.33]人造卫星被火箭运送到太空去.

[02:48.91]To escape the pull of the earth,

[02:53.06]a rocket must reach a speed of 28,440 km/h.

[02:58.04]为了摆脱地球吸引力,火箭必须要达到每小时28440千里的速度.

[03:03.01]If the rocket does not reach this speed,

[03:07.87]it will fall back to the earth.

[03:09.86]如果火箭没有达到这个速度,它就会回到地球来

[03:11.84]A satellite is one of the most expensive pieces

[03:17.41]of scientific equipment in the world

[03:19.73]在世界上,人造卫星是最贵的一种装置

[03:22.06]First,it must be very light,the lighter 7 the better,

[03:25.32]首先,它必须是非常轻的越轻越好.

[03:28.59]because it has to be sent up into space by a rocket

[03:31.62]因为用火箭发射到太空去的.

[03:34.65]Second,it usually contains very expensive cameras.

[03:38.38]第二,它通常包含有昂贵的照相机.

[03:42.12]It has equipment for making electricity from sunshine,

[03:48.96]using very broad sun panels 8.

[03:51.39]它的装置设备用的电流来源于阳光,利用宽大的太阳能电池帆板.

[03:53.82]These are folded up inside the satellite.

[03:56.80]这些被折抱起来放在人造卫星里面.

[03:59.78]Once the satellite goes into its orbit round the earth,

[04:03.11]卫星一进入它绕地球的轨道,

[04:06.44]the panels are unfolded 9 in order to catch the sunshine.

[04:10.02]电池帆板就展开来吸收阳光.

[04:13.60]There is a rocket motor 10 on the satellite

[04:16.12]这个是火箭发动机在人造卫星里面.

[04:18.64]by which the direction of the satellite can be changed if necessary

[04:22.22]如果有必要就改变人造卫星的方向.

[04:25.80]Satellites for broadcasting

[04:27.87]人造卫星为广播

[04:29.95]are used to send radio

[04:34.10]and TV programmes from one part of the world to another.

[04:37.22]通常把无线电通信和电视节目从世界的一边发送到另一边.

[04:40.35]Most of these satellites do not change their positions

[04:43.38]大部分的人造卫星都没有改变它们的安置.

[04:46.41]They remain above the same place on the earth

[04:52.05]and travel round it in a very high circle.

[04:54.87]它们在地球上保持同样的高度并绕着地球快速圈动。

[04:57.69]In this way,they are able to connect broadcasting stations

[05:01.11]就是这样，它们才能连接得到电台

[05:04.54]which are a long distance from each other.

[05:06.96]才能在远离内接收到彼此的信息。

[05:09.39]Signals 11 travel at the speed of light.

[05:12.12]信号以光的速度传播。

[05:14.85]They reach the satellite and return to the earth in less than a second.

[05:18.79]它们抵达人造卫星再返回地球所用的时间不用一秒钟。

[05:22.72]Weather satellites send information and photos of weather conditions

[05:26.40]天气卫星发射有关气象的信息和图片

[05:30.08]to weather stations on the earth.

[05:32.26]给地球上的气象台。

[05:34.45]It is therefore possible to say not only what the weather is like at present,

[05:38.52]因此，卫星不仅有可能报告当前的天气情况，

[05:42.60]but also what is likely to happen in the next day or two.

[05:46.38]而且还能预报未来一两天内天气可能要发生的情况。

[05:50.17]This is very useful when there is a hurricane 12 in an area,

[05:53.55]这是非常有用的，当某个地区发生飓风，

[05:56.94]as it is possible to see the path of the hurricane in the satellite pictures.

[06:00.96]人们就可以在卫星图片上看到飓风的一部分。

[06:04.98]Ships and planes can be warned 13

[06:10.16]so that they can keep out of the path of the hurricane.

[06:13.03]船和飞机就会被提醒，那么它们就会远离飓风来临的轨道。

[06:15.90]Lesson 55 1 Reading comprehension

[06:21.79]第55课 1 阅读理解

[06:27.68]SATELLITES (2)

[06:29.81]人造卫星（2）

[06:31.94]In 1964 a group of 17 countries

[06:34.97]在1964年，由17个国家组成的一个团体

[06:38.00]set up an organization for sending telephone signals by satellite.

[06:41.38]用卫星建立了一个发送电话信号的的组织。

[06:44.77]Their first satellite was called Early Bird.

[06:47.34]他们把第一个人造卫星叫做

[06:49.91]Today there are more than 100 nations in this group

[06:52.84]今天这个团体的成员已经超过100个国家

[06:55.76]and dozens of satellites have been put into space.

[06:58.35]并且也有很多人造卫星发射到太空中。

[07:00.94]You can telephone somebody on the other side of the world

[07:03.72]你可以打电话给地球的另一半的人

[07:06.50]with the help of a satellite.

[07:08.88]通过人造卫星。

[07:11.26]Satellites are used more and more

[07:15.62]to take photos of the earth and to produce maps.

[07:18.40]人造卫星越来越广泛的运用到地球照相和制作地图。

[07:21.18]Special cameras can produce pictures

[07:25.73]showing where different metals can be found.

[07:27.91]在特殊照相机照出来的图片上可以发现不同的金属.

[07:30.09]They can tell the difference between health plants

[07:35.05]and plants that are diseased.

[07:36.83]它们可以展示出健康的植物与有病害的植物的区别。

[07:38.61]This is useful for scientists who work in forests and in agriculture.

[07:41.83]这有利于科学家们在森林与农业方面的研究工作。

[07:45.06]There are many research stations on the earth

[07:47.33]在地球上他们有很多研究所

[07:49.60]in which outer space is studied.

[07:51.48]用来学习太空。

[07:53.36]The problem with looking into space from the earth

[07:55.70]问题是从地球上观察太空外层

[07:58.04]is that there is a lot of dust in the earth's air.

[08:00.47]有太多的灰尘在地球上的空气中。

[08:02.90]The dusty 14 air makes it difficult to get a clear picture of space.

[08:05.98]这些灰尘给拍摄清析的图片曾加了难度。

[08:09.06]With space satellites there are no such problems.

[08:11.55]要是用太空中的卫星就没有这样的问题出现。

[08:14.03]They are being used more and more to collect information about space,

[08:17.21]太空卫星越来越被用来收集有关太空的信息，

[08:20.40]to carry out experiments and to send the information back

[08:23.22]来完成它的实验和把信息传回到

[08:26.04]to research centres on the earth.

[08:27.96]地球上的研究中心。