After two months’ careful______(observe)the two scientists came to quite different conclusions.

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问题 After two months’ careful______(observe)the two scientists came to quite different conclusions.

选项

答案observation

解析 句子大意为:经过两个月的仔细观察,两位科学家得出了截然不同的结论。two months’是名词所有格形式,后面跟其修饰的名词,而observe是动词,其名词的形式为observation。
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本试题收录于: 英语题库普高专升本分类
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