2. 外语
  3. Therefore, Asince technical advances in food production and Bprocessing will perhaps be needed to ensure Cfood availability, mee

Therefore, Asince technical advances in food production and Bprocessing will perhaps be needed to ensure Cfood availability, mee

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问题 Therefore, Asince technical advances in food production and Bprocessing will perhaps be needed to ensure Cfood availability, meeting food needs will depend Dmuch more on equalizing economic power among the various segments of the populations within the developing countries themselves.
选项
答案A
解析 句意是，因此，虽然需要食品生产和工艺方面的技术进步，以确保食品供给，但是满足食品需求更多的还是取决于平衡发展中国家人口分布之间的经济实力。Since表示既然，引导原因状语从句，此处表达的是让步状语从句，应该用although／though，所以选项A错。
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