1）One consequence of global warming is extinction.There is compeling evidence the global warming would be a significant driver of many plant and animal extinctions in this century.So we're considering very strategies to help ......species survive......This warming trend which as you know is caused mainly by green house gases ......by byrning the fussile fuels.The most dramatical strategy being debated among conservation of biologist is a ......migration.
2)Today ,human development has paid ......natural world.Ecosystems are fragrant.Housing development,highways......There were few ......left for species to migrate through without help.So conservationists are trying to save as many species as possible.Now, a ......migration could become ......rescue the strategy.But there are numbers of uncertainty in risks.
3)Good day,ladies and gentlemen.I have been asked today to talk to you about the urban ......There were two major areas that I focus on my talk :how vegetation can have a significant affect on urban climate and how can we better plan our cities using trees to provide more comfortable environment......Trees have a significant impact on our cities.They can make a city as a whole,a bit less windy or a bit more windy.......
4)Well,the main diffetence between a tree and a building is a tree has gotten internal ......to keep the temperature regulated.It evaporates water through its leaves.And that means the temperature of leaves is never very far from our own body temperature.The temperature of building surface on the hot sunny day can easily be twenty degrees more than our temperature . Trees,on the other hand,remain cooler than buildings because they sweat.
5)It involves princes......by night and human by day......easten sun and western moon.......tried to find.Besides being a good example the transformation of story.This one also ......common things tend to show up......folk tales.You find ......opening once upon a time and ......characters like a prince and ......passing a girl.She is......
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