【判断题】冠状动脉粥样硬化可引起心肌供血不足,导致冠心病的发生。
【单选题】When he turned professional at the age of 11, Mike _________to become a world champion by his coach and parents. [ ]
【单选题】与流脑患者密切接触后的重要预防措施是( )
【单选题】1mol的两种气体He和O2,在温度相同时,下列说法正确的是:
【判断题】只要运算器具有加法器和移位功能,再增加一些控制逻辑,计算机就能实现各种算术运算。( )