【判断题】凸轮机构是由凸轮、从动件、机架组成的低副机构。;
【判断题】瑞幸与其他咖啡店一个根本性不同就是没有收银台,所有交易都是通过 App 来完成。
【简答题】“世界地球日”是每年的哪一天,第一个世界地球日在哪一年?
【单选题】l loved that they accepted me for my socially awkward self. (Para, 5)
A.
I loved that my colleagues never made me feel uncomfortable in social settings.
B.
I loved that my colleagues accepted me although l was not good at socializing.
【简答题】..pausing in my flight .(Para.5)
【简答题】在显性状态时CAN-High上的电压为?__________________