主机和硬盘之间的接口电路,主要用于实现主机对硬盘驱动器的各种控制,完成主机和硬盘之间

题型:单项选择题

问题:

主机和硬盘之间的接口电路,主要用于实现主机对硬盘驱动器的各种控制,完成主机和硬盘之间的数据交换。目前,PC机的硬盘接口电路只要有哪两大类?

A. IDE接口和Centronics接口

B. IDE接口和SCSI接口

C. USB接口和IEEE-1394接口

D. SCSI接口和IEEE-1394接口

考点:计算机等级考试PC技术计算机三级(PC技术)7
题型:单项选择题

雾化吸入治疗时,沉积于小气道内的雾滴直径是 ()

A.<1μm

B.2~5μm

C.5~10μm

D.>10~15μm

E.1~2μm

题型:单项选择题

市场挑战者适宜采用的价格策略是( )

A.相对稳定化的价格策略

B.随行就市策略

C.渗透式的竞争定价策略

D.高价策略

题型:单项选择题
用方框中短语的正确形式填空.
 be based on,    dress up,    be good at,    have difficulty in,    belong to,    play a role of,    die from
1. In big cities during cold winter months, many old people _____ the polluted air.
2. We are supposed to _____ as movie characters for theparty. What a nice idea!
3. As we all know, Taiwan _____ China.
4. I used to _____ playing table tennis, but now I'm out of practice.
5. Most students _____ sleeping well because of their too much schoolwork.
6. The play _____ a real story that happened in the1940s in the countryside.
7. Jackie _____ a policeman in his last movie.
题型:单项选择题

某年财政支出弹性系数是指财政支出增量与当年GDP增量之比。()

题型:单项选择题

人工全髋关节置换术后的早期运动不包括()

A.踝关节主动屈伸练习

B.股四头肌等张练习

C.深呼吸练习

D.步态练习

E.髋、膝关节屈曲练习

更多题库