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单选题 According to the passage, bats and adult owls cannot see colors,______

A. because they hunt at night

B. because they cannot see light

C. because they have no cones and rods

D. because they have no cones

大学英语(西安文理学院)课程封面

学科:大学英语(西安文理学院)

时间:2023-05-08 09:23:13

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