2. 外语
  3. Due to ______ research which had taken years to complete, the scientist proudly presented her findings at the national conventio

Due to ______ research which had taken years to complete, the scientist proudly presented her findings at the national conventio

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问题 Due to ______ research which had taken years to complete, the scientist proudly presented her findings at the national convention.
选项 A、intensive
B、complex
C、alternative
D、extensive
答案D
解析 此题是形容词辨析。intensive，集中的；complex，复杂的；alternative，可替换的；extensive，广泛的。这句话的意思是：“这位科学家在国际会议上骄傲地展示了她数年才完成的广泛的研究成果。”
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大学英语四级

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