2. 外语
  3. Before the building project is designed, ______ data have been collected for it.

Before the building project is designed, ______ data have been collected for it.

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问题 Before the building project is designed, ______ data have been collected for it.
选项 A、persistent
B、appropriate
C、thoughtful
D、sufficient
答案D
解析 难词辨义。原句意为：在这项建筑工程设计之前已经收集了充分的资料。persistent意为“坚持的，持久的，”appropriate意为“适当的，”thoughtful意为“沉思的，考虑周到的，”sufficient意为“足够的，充分的，能胜任的。”如：He has sufficient income for a comfortable retirement他有足够的收入保证了舒适的退休生活。
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大学英语六级

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