According to the passage dogs and cats A.as well as human beings can not see some colours

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According to the passage, dogs and cats,

A.as well as human beings can not see some colours

B.have fewer cones than human beings

C.have less rods than human beings

D.can see colours as well as human beings

热搜:medline数据库中to字段是表示非英文文献的原文题名

答案解析

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  • 正确答案:B
    解析:这是道推断题,文章第三段第三句说,猫和狗识别颜色的能力不如人类,而前文又说了不能识别颜色是因为锥状细胞少,由此,我们可以推断出猫和狗的锥状细胞不如人类多。这里易误选的是A,注意文中的aswellas是“不如……好”的意思,是比较级的as…as形式,不是作为“也”意思讲的短语“aswellas”。