A、the sample was favorable for their test B、the sample made the test more difficult C、the sample brought about little benefits D

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问题

选项 A、the sample was favorable for their test
B、the sample made the test more difficult
C、the sample brought about little benefits
D、the sample produced unexpected results

答案A

解析从第6段第2句中的ideal和最后一句中的tens of thousands of times more DNA等可知研究人员认为格陵兰岛的样本对他们的研究带来非常积极的帮助，因此，本题应选A。

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大学英语六级

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A、the sample was favorable for their test B、the sample made the test more difficult C、the sample brought about little benefits D

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Waffles?Frenchtoast?Bacon?Bigbreakfastsmaybeathingofthepast.AccordingtotheAssociatedPress,moreAmericansarec

Suddenly,everywhereyoulook,everyone’stakingcoldshowers.Notliterally—thatwouldbeweird—butthere’snomistakingalif

A、13%.B、33%.C、25%.D、35%.C题目问在世界卫生组织调查研究的国家中，有多少国家已经准备好应对抗生素耐药性的问题。录音提到，世卫组织说有25％的国家对此已有一个很好的应对计划，故C正确。

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上海某公司从美国某公司进口货物，货物从纽约运至上海，单价的正确表示方法为()。

在课堂中，教师在学生学习完后，让学生自己验证结论是否正确。这是()。

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