2. 外语
  3. The greatest task facing agricultural scientists in this region is the ______ of an adaptable farming system.

The greatest task facing agricultural scientists in this region is the ______ of an adaptable farming system.

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问题 The greatest task facing agricultural scientists in this region is the ______ of an adaptable farming system.
选项 A、determination
B、distribution
C、discipline
D、evolution
答案D
解析 语义连贯题。[D]evolution“发展，进化”，符合句意，所以[D]为答案。[A]determination“决定，决心”；[B]distribution“分配，分发”；[C]discipline“纪律，学科”。
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大学英语四级

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