During extremely hot weather, elephants require both mud and water to keep their skin cool_______they have no sweat glands. (

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问题 During extremely hot weather, elephants require both mud and water to keep their skin cool_______they have no sweat glands. (    )

选项 A、and
B、so
C、because of
D、due to the fact that

答案D

解析 译文:由于大象没有汗腺,所以当天气非常炎热的时候,它们会用泥巴和水来给皮肤降温。由题意可知,空缺处应填人引导原因状语的连接词。and引导并列关系的句子,so引导结果状语分句,because of后接表原因的短语。due to the fact that指“由于”,that后接分句。其中they have no sweat glands是由that引导的同位语分句,来作前面fact的同位语,指大象没有汗腺这个事实。答案为D。
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