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Anthropologists agree that our primitive ancestors who inhabited the tropics pro
Anthropologists agree that our primitive ancestors who inhabited the tropics pro
游客
2024-11-23
6
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问题
Anthropologists agree that our primitive ancestors who inhabited the tropics probably have natural protection against the sun.
选项
答案
have—had
解析
译文:人类学家赞同:生活在热带地区的远古祖先可能天生具有抵御阳光的保护力。
分析:考查时态。that从句的主语是our primitive ancestors(我们远古的祖先),其谓语动词只能用过去时态,不能用现在时。此处have应改为had。
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