高中英语人教版高二下04

[04:18.06]as there is only one narrow entrance
[04:22.82]where the Mediterranean meets the Atlantic.
[04:25.20]因为地中海和大西洋的汇合处只有一个狭窄的入口.
[04:27.57]Hot parts of theworld where the sea is not deep have coral beds.
[04:31.35]世界上热的地方,在海不深处有珊瑚.
[04:35.12]Coral is not a plant
[04:37.05]珊瑚不是植物.
[04:38.99]but a variety of animal life of different shapes and bright colours.
[04:42.67]而是形状不同,色彩斑斓的动物变体.
[04:46.35]Coral needs certain conditions in order to live.
[04:49.03]珊瑚生存需要一定的条件.
[04:51.71]The water temperature must not fall below 20 degrees centigrade
[04:55.13]水的温度不可以低于20摄氏度,
[04:58.55]and there must be plenty of light,
[05:00.63]和充足的阳光,
[05:02.71]so corals are found in water with a depth of less than 60 metres.
[05:06.59]所以在水深不超过60米的地方常驻可找到珊瑚.
[05:10.47]Also,the water must be very clear.
[05:13.04]海水也必需得是清洁的.
[05:15.61]Water that is cloudy or dirty will kill the coral.
[05:18.69]污浊的水会使珊瑚死亡.
[05:21.78]If construction work is going on,for example to build a new port,
[05:25.46]如果进行施工,比如说是建一个新的港口,
[05:29.14]or if there is any pollution,this will kill the coral.
[05:32.32]或是海水有任何污染,这都会杀死珊瑚.
[05:35.49]Besides,you will not find coral near the mouths of rivers either
[05:39.17]除此之外,在江河的入海也找不到珊瑚.
[05:42.86]because the river water has too much soil in it or because it is polluted.
[05:46.93]因为河水有太多的土壤,或者它被污染.
[05:51.01]The longest coral bed in the world
[05:53.35]世界上最长的珊瑚
[05:55.68]is one which lies off the northeast coast of Australia.
[05:58.80]在澳大利亚东北沿海上.
[06:01.93]It is 2,010 kilometres long.
[06:04.90]它长2010千米.
[06:07.88]3 Reading comprehension
[06:10.16]3 阅读理解
[06:12.43]SALT LAKES OF THE WORLD
[06:14.26]世界上的咸水湖
[06:16.08]The most famous salt lake in the world is the Dead Sea,in the Middle East.
[06:19.57]世界上最出名的盐海是死海,它在中东地区.
[06:23.06]Water is lost into the air because of the heat of the sun,
[06:25.93]因为酷热水蒸发到场天空中,
[06:28.81]and the salt stays in the lake.
[06:30.62]而盐却留在了湖里.
[06:32.44]It is also very lowlying,at around 395 metres below sea level.
[06:36.60]死海地势很低,约低于海平面395米.
[06:40.77]However,it is not the saltiest lake in the world.
[06:43.20]然而,它不是世界上最咸的湖.
[06:45.63]The Great Salt Lake in the USA,
[06:47.76]美国大盐湖的水还要咸一些,
[06:49.89]with 270 parts of salt per thousand,is even saltier.
[06:53.37]因为每千份水里就含有270份盐.甚至更高.
[06:56.86]The water of the Dead Sea contains about 250 parts of salt
[07:00.40]死海的海水含有盐大约为250
[07:03.94]to every thousand parts of water,or 25% by weight.
[07:07.42]每一千份,或按重量计是25%
[07:10.89]It is so salty that it is difficult to swim or dive,
[07:13.78]湖水太咸了很难游泳或潜水,
[07:16.66]as your body floats on the surface.
[07:18.64]因为你的身体会浮在水面上.
[07:20.61]What has made this lake so salty?
[07:22.64]是什么使得这湖含盐量如此的高?
[07:24.68]The minerals are partly supplied by hundreds of natural springs
[07:27.86]是各种矿物质.它们部分来自众多的流入死海的天然泉水,
[07:31.03]which flow into the Dead Sea,and partly by the River Jordan.
[07:34.22]还有一部分是来自约旦河.
[07:37.40]It is called the Dead Sea
[07:40.96]because very few things can live in such salty water.
[07:43.92]它被叫为死海是因为很少有生物能在含盐量如此高的水里生存.
[07:46.89]There is very little rain here,merely 66mm in a year on average.
[07:50.52]那里几乎不下雨,每年平均只有66毫米降雨量.
[07:54.15]The minerals stay in the lake,
[07:57.60]because there is no river flowing out of the lake.
[07:59.97]那些矿物质留在湖里,是因为没有河从死海中流出.
[08:02.35]Lesson 63 1 Reading comprehension
[08:08.58]第63课1 阅读理解
[08:14.81]LIFE IN THE OCEANS
[08:16.59]海洋中的生物
[08:18.36]In the oceans around Antarctica the temperature of the water is freezing,
[08:22.14]在南极洲周围的海洋中,水温很低,
[08:25.91]always below zero.
[08:27.79]总是在零度以下.
[08:29.68]Fish can live in these temperatures
[08:31.80]鱼之所以能生活在这样温度下