题目: 对下列设备的工作原理解释错误的是( )A.验钞器--红外线使钞票上的荧光物质发光B.移动电话--利用电磁波传播信息C.通信光缆是使光信号在光导纤维的内壁多次反射D.核电站--核能转化为电能 答案: 答案:A
题型:选择题 Many students believe which university to choose should their own interest.A.be based onB.base onC.be basing onD.base at 查看答案