一道英语单选,Some studies show that the earth's climate -- by abou

学习时间:2026-08-14 21:41:38 阅读：1910

一道英语单选,Some studies show that the earth's climate __ by about 0.6C during the past one hundred years .A.warmedB.is warming C.has warmed D.is to warm

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2026-08-14 21:41:38

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选C,during the past one hundred years 意思是“在过去的一百年间”,因此根据时态排除B、D,但是通常during+时间段应和现在完成时态搭配,故选C