During the 20th century the temperature of earth rose rapidly comparing to other natural changes.There is a fierce debate over whether it is human activity which has caused this global warming and it is just a natural phenomenon.
Many scientists believed that people have caused the increase in the earth's temperature through the burning of fossil fuels.Some byproduct of this process are called "greenhouse" gases,the most importantly one being carbon dioxide.
When they burn fossil fuels,we add huge quantities of extra carbon dioxide into the atmosphere.The increased amount of carbon dioxide means that more heat energy is trapping in the atmosphere,causing the global temperature to rise.Scientists believe that the burning of more and more fossil fuels has resulted at this increase in carbon dioxide.
(1)earth前面加theearth前面加the
(2)comparing改為comparedcomparing改為compared
(3)which改為thatwhich改為that
(4)and改為orand改為or
(5)believed改為believebelieved改為believe
(6)byproduct改為byproductsbyproduct改為byproducts
(7)importantly改為importantimportantly改為important
(8)they改為wethey改為we
(9)trapping改為trappedtrapping改為trapped
(10)at改為inat改為in
【考點】人與自我.
【答案】earth前面加the;comparing改為compared;which改為that;and改為or;believed改為believe;byproduct改為byproducts;importantly改為important;they改為we;trapping改為trapped;at改為in
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發(fā)布:2024/6/27 10:35:59組卷:3引用:1難度:0.5
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