【简答题】听力 1. What does the woman mean? A. She doesn't know when the deadline for tuition payment is. B. The man should have paid his tuition a week ago. C. The man has all week to pay his tuition. 2. When wi...
【单选题】—— What do you think made John so upset? —— ______ his new bike.
【简答题】狭义相对论的两个基本原理的名称是什么?对应的内容是什么?
【单选题】John lost his bike a rainy afternoon.
【单选题】John lost his bike _____a rainy afternoon.
【简答题】狭义相对论的两个基本原理的名称和内容分别是什么?洛仑兹变换和伽利略变换有什么联系?