2. 外语
  3. Improvements in refrigeration and transportation in the nineteenth century (i)______ the (ii)______of available food for many fa

Improvements in refrigeration and transportation in the nineteenth century (i)______ the (ii)______of available food for many fa

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问题 Improvements in refrigeration and transportation in the nineteenth century (i)______ the (ii)______of available food for many families in the United States.
选项
答案C，D
解析 refrigeration and transportation(贮存和运输)与available food(能够获得的食物)是正相关。贮存和运榆的水平升高了，人们能够获得的食物也就多了；反之亦然。第一空填入与improvement(改善)同义的词。disregard忽视，project预测，expand扩大。答案选C。variety多样性，dearth供应不足，distribution分布。答案选D。
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