Polar explorers have to be extremely______to endure the climate and other hardships of various kinds.

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问题 Polar explorers have to be extremely______to endure the climate and other hardships of various kinds.

选项 A、rough
B、dull
C、tough
D、rigid

答案C

解析 词义辨析题。rough意为“粗的,粗略的”;dull意为“钝的,呆滞的”;tough意为“坚 强的,能吃苦耐劳的”;rigid意为“死板的,严格的”。根据句意可知,选C。
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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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