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  3. Heredity (遗传) is not the only thing that influences our color. Where and how

Heredity (遗传) is not the only thing that influences our color. Where and how

游客2023-07-20  50
问题     Heredity (遗传) is not the only thing that influences our color. Where and how we live after we are born is【B1】______too. For instance, our skin color greatly 【B2】______on how much sunshine we get.
    Centuries ago, most people in Europe were peasants and had to work in the fields all day. On the other hand, noblemen did not have to work. They stayed【B3】______and remained pale. You could always【B4】______a nobleman from a peasant because the peasant had a tan. As a result, noble women did their best to keep their skins as【B5】______as possible. A skin so pale was considered a mark of great【B6】______and nobleness.
    During the Industrial Revolution, farmers left their fields and went to work in factories,【B7】______and mills. Working for long hours in those dark places made their skins pale. Wealthy people, however, could【B8】______to travel to sunny countries.【B9】______. In Western Europe and North America pale skin is no longer desirable. 【B10】______.
    So there are three answers to the question "Where does our color come from?" — It comes from the genes we inherit It comes from the conditions in which we live. 【B11】______ [br] 【B4】
选项
答案 distinguish
解析 空前的情态动词could表明，本空应填一原形动词，且该词能与空后的from搭配使用。前面提到贵族的皮肤白皙，而本句的原因状语从句because the present had a tan（因为农民的皮肤晒得很黑）表明，主句是想表达容易“区分”贵族和农民的意思，再根据空后的from不难联想到distinguish…from…这个固定搭配。
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