◎ 题干
_______Olympic torch has reportedly stayed alight throughout _____varied extreme weather conditions
in a German testing center.  
[     ]
A. 不填; the
B. The; 不填
C. 不填; an
D. The; a
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“_______Olympic torch has reportedly stayed alight throughout _____varied extreme weather conditions in a German testing center.[ ]A. 不填; theB. The; 不填C.…”主要考查了你对  【定冠词】【零冠词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。