单选题:The average wavelength of visible light is 2,000 times______ 题目分类:专四 题目类型:单选题 查看权限:VIP 题目内容: The average wavelength of visible light is 2,000 times________ the diameter of an atom. 参考答案: 答案解析:
Which of the following sentences is INCORRECT? Which of the following sentences is INCORRECT? 分类:专四 题型:单选题 查看答案