【单选题】下面关于USB的叙述中,错误的是______________。
A.
USB2.0的数据传输速度要比USB1.1快得多
D.
从外观上看,USB连接器要比PC机的串行口连接器小
【判断题】The purpose of education is not only to train youngsters for the employment market.
【多选题】停顿的类型较多,导游人员常用的是()P152
【判断题】猫的血压稳定,适合进行药物对循环系统作用机制的分析。
【单选题】The purpose of the seminar is to train some of the employees to work ________ in the branch offices abroad.