【单选题】(仅选择本题号对应横线处的正确答案)Read aloud paragraphs 16 and 17 until you have learned them by heart. Then try to complete the passage from memory:In _____1_____, Maxwell was right. Light is a wave. But Einstein wa...
【单选题】(仅选择本题号对应横线处的正确答案)Read aloud paragraphs 16 and 17 until you have learned them by heart. Then try to complete the passage from memory:In _____1_____, Maxwell was right. Light is a wave. But Einstein wa...