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  3. The shorter growing seasons expected with climate change over the next 40 ye

The shorter growing seasons expected with climate change over the next 40 ye

游客2023-08-30  32
问题     The shorter growing seasons expected with climate change over the next 40 years will endanger hundreds of millions of already poor people in the global tropics, say researchers working【C1】______the world’s leading agricultural organisations.
    The effects of climate change are likely to be seen across the entire tropical【C2】______but many areas previously considered to be【C3】______food secure are likely to become highly【C4】______to droughts, extreme weather and higher temperatures, say the【C5】______with the Consultative Group on International Agricultural Research.
    Intensively farmed areas【C6】______northeast Brazil and Mexico are likely to see their【C7】______growing seasons fall below 120 days, which is【C8】______for crops such as corn to mature. Many other places in Latin America are likely to【C9】______temperatures that are too hot for bean【C10】______, a staple in the region.
    The impact could be【C11】______most in India and southeast Asia More than 300 million people in south Asia are likely to be affected even with a 5% decrease in the【C12】______of the growing season.
    Higher peak temperatures are also expected to take a heavy【C13】______on food producers. Today there are 56 million crop-dependent people in parts of west Africa and India who live in areas where, in 40 years, maximum daily temperatures could be higher than 30℃. This is【C14】______to the maximum temperature that beans can tolerate,【C15】______corn and rice yields suffer when temperatures【C16】______this level.
    "We are starting to see much more clearly【C17】______the effects of climate change on agriculture could【C18】______hunger and poverty," said research leader Patti Kristjanson. " Farmers already adapt【C19】______variable weather by changing their planting schedules. What this study suggests is that the speed of climate【C20】______and the magnitude of the changes required to adapt could be much greater." [br] 【C15】
选项 A、until
B、since
C、while
D、unless
答案 C
解析
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