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  3. The shorter growing seasons expected with climate change over the next 40 years will endanger hundreds of millions of already po

The shorter growing seasons expected with climate change over the next 40 years will endanger hundreds of millions of already po

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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 researchers with the Consultative Group on International Agricultural Research.
    Intensively farmed areas【C5】________northeast Brazil and Mexico are likely to see their【C6】________growing seasons fall below 120 days, which is critical for crops【C7】________corn to mature. Many other places in Latin America are likely to【C8】________temperatures that are too hot for bean【C9】________, a staple in the region.
    The impact could be【C10】________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【C11】________of the growing season.
    Higher peak temperatures are also expected to take a heavy【C12】________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【C13】________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 Parti Kristjanson. "Farmers already【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."
【C9】
选项 A、production
B、promotion
C、procession
D、progression
答案A
解析 上下文语义题。这里是讲温度过热会对大豆的________造成影响，空格处填入名词与bean构成名词性短语。表明受影响的对象。根据上一句提到的“黄金生长期缩短对农作物的成熟至关重要”可推断此处与大豆生产有关，A项production意为“生产，产量”，填入文中表示“大豆的生产”，符合语境。B项promotion表“促进”时，一般用于描述抽象事物或概念，如促进关系改善、促进教育事业发展等，或者表示“促销，推广”；当表示“提升”时多指升迁，如：There was little chance for promotion within the company. (在这家公司里几乎没什么升职的机会。)C项procession“队列，一排”和D项progression“进展，发展”从语义上均无法与bean构成搭配。
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