【单选题】某转速为7 200 rpm的磁盘共有1 024个磁道,道间移动时间为0.01 ms。则该磁盘的平均存取时间(Average AeCess Time)为( )。
【判断题】电容元件具有隔直作用,因此在直流电路中电容元件相当于短路
【单选题】下列各项中,与传统的定期预算方法相比,不属于滚动预算方法优点的是( )。
【判断题】客人住史profile是记录客人以前的入住情况、房间分配、日期、特殊要求。
【单选题】Even students with intelligence can be excellent students after improving their study habits.
【简答题】v. to calculate the averag of sth; ~out 其平均数为
【简答题】D Global warming is the process of earth’s atmosphere heating up. Over the last 100 years, the average temperature of earth’s atmosphere has gone up 1 Fahrenheit. The weather has not changed exactly t...