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Bmat考试练习题:
Agriculture faces its biggest challenge since
Neolithic days in the way it adapts–or fails to adapt–to climatechange. Africa and southeast Asia will be worst affected. In 20 years' time,their climate will be quite different from their climate today: crop varietiesused now will yield dramatically less in the changed conditions. Famine and higherfood prices will follow. To avert this disaster, we need to develop worldwideseed banks with detailed catalogues showing the traits of each variety and the resistancethey have to heat, soil saturation or drought. Farmers can then begin to trialcrops and prepare for the future. Seed banks are not the only answer toimpending
famine but they are an achievable first step. Whichone of the following best expresses the main conclusion of the above argument?
AAgriculture is facing its biggest challenge since Neolithic times.
BSeed bankswill avert famine caused by climate change.
CCataloguedseed banks should be created and their contents trialled.
DFarmers inAfrica and southeast Asia should begin trialling different varieties of crops.
ECrops usedtoday will be unable to grow in new climatic conditions later in the century.
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