(单词翻译:单击)
Voice 3: “Over the last two hundred years human activity has increased carbon dioxide to well outside the natural range.…There is nothing that suggests that the Earth will take care of the increase in carbon dioxide.The ice core suggests that the increase in gas will surely give us a climate change that will be dangerous.”
声音3:“在过去的两百年里,人类活动增加了二氧化碳的含量,使之远远超出了自然范围
Voice 1: People all over the world are already seeing evidence of this ‘dangerous’ climate change.Today’s Spotlight will start a new series on early signs of climate change.These are physical affects of Global Warming.Take a look around.Do you see any of these signs where you live?
声音1:世界各地的人们已经看到了这种“危险的”气候变化的证据
Voice 2: Today’s sign: Disappearing Glacial Ice.
声音2:今天的迹象:正在消失的冰川冰
Voice 1: In general, global warming works like this.The sun shines on the Earth.Most of the sun’s rays pass through the Earth’s atmosphere.The surface of the Earth takes in the heat energy.Some of that energy goes back up into the air.It travels back up into the atmosphere.There, gases trap the heat.Some of the gases are natural gases.These gases are needed to keep the Earth warm.Without natural gas the Earth’s temperature would be about thirty-three degrees colder than it is now.
声音1:一般来说,全球变暖是这样的
Voice 2: But people can create gases too.Burning oil creates this kind of gas.Burning oil, as well as natural events like volcano eruptions, send carbon dioxide into the air.Many scientists say that increasing temperatures is linked to the increase of carbon dioxide.
声音2:但是人类也可以制造气体
Voice 1: It is true that global warming can cause an increase of temperatures in some areas.However, in other areas global warming can cause a decrease in temperature.The important thing to remember is that global warming causes changes in climate.
声音1:全球变暖确实会导致某些地区气温升高
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