【简答题】The fast (develop) of the local economy has caused serious water pollution in this region.
【单选题】在下列有关PC机I/O总线和接口的叙述中,错误的是()
A.
可用于连接键盘或鼠标器的PS/2接口是一种并行数据传输接口
B.
USB2.0接口的数据传输速率可达每秒几十兆字节
C.
通过USB集线器,USB接口连接设备数最多可达100多个
D.
目前数字视频设备常用IEEE-1394接口与主机连接
【简答题】The fast (develop) of the local economy has caused serious water pollution and air pollution in this region.
【简答题】The fast(develop) _________of the local economy pollution in this region.
【单选题】关于胰头癌与壶腹周围癌的比较,下列哪项是错误的
D.
两者手术方式相同.均需要做胰、十二指肠切除术