聽寫填空,4個單詞/詞組+1個句子,不用寫標號,最后主持人自我介紹不寫~

James Hansen: We didn’t realize that we already have increased CO2 into a dangerous zone.

You are listening to NASA climate scientist James Hansen. He’s lead author of a new study that claims Earth’s level of [-----1-----] CO2 is already dangerously high.

James Hansen: What’s become clear from a number of different [-----2-----] is that the safe level of CO2 is no more than 350 parts per million, and probably less, which requires significant changes in our energy use. We simply are not going to be able to burn all the fossil fuels.

CO2 levels today sit well over what Hansen believes is an [-----3-----] level. They continue to rise mainly from our use of fossil fuels like coal and oil, and Hansen believes we could be causing major changes.

James Hansen: We can already see that the ice sheets are beginning to [-----4-----] .

Hansen and colleagues analyzed ice core data going back 65 million years to see how sea level responded to CO2 in the air.

James Hansen: The last time all the fossil fuels were in the atmosphere instead of in the ground, there was no ice on the planet. You know, sea level was 250 feet higher.

Hansen added that it’s not too late for the world to act. [-----5-----]