The amount of time taken to service an I/O interrupt
The percentage of time CPU（s） are waiting for page ins
The percentage of time the CPU9（s） are waiting on network
The percentage of time the CPU（s） are waiting for outstanding disk I/O requests
第1题：
I don't think I'm late. Excuse me, what's the time? （）
第2题：
我希望没有让你久等。（）
第3题：
American people divide their days into several blocks of time, and plan different activities (41) () different times. American time is “on the dot”(准确地)). If something is supposed to happen at Eight o’clock, it will begin at eight. Americans value promptness(准时)and may become angry if a person is more than 15 minutes late (42) () a good reason. If you know you are going to be late, call in advance and let someone know. (43) () you arrive late, you should apologize and explain why. Americans arrive (44) () time for doctors’ appointments. The doctor may keep you (45) (), but if you keep the doctor waiting, you may get a bill with the doctor’s time!
(1). A.for B.waiting C.on D.if E.without
(2). A.for B.waiting C.on D.if E.without
(3). A.for B.waiting C.on D.if E.without
(4). A.for B.waiting C.on D.if E.without
(5). A.for B.waiting C.on D.if E.without
答案：41：A 42: E; 43: D; 44: C; 45:B.
解析：41处，句子意为“为了不同时间规划不同的活动”，选用FOR表目的
42处，句子意为“如果一个人迟到15分钟又没有合理原因的话，人们将会生气”，without意为没有；
43处，句子意为“如果你迟到了，你应该道歉并且解释迟到原因”，选用IF表假设；
44处，固定搭配on time，准时，句子意为“美国人都准时去医生的预约看病”；
45处，句子意为“医生会让你等待”，KEEP后接动词ING形式，选WAITING。
第4题：
In an iostat report， which of the following options best describes the value of % idle？（）
第5题：
翻译：Time lost waiting for berth to count as loading/discharging time
第6题：
What best describes processing delay？（）
第7题：
In an iostat report， which of the following options best describes the value of % tm_act？（）
第8题：
I'm sorry to be late. Thank you for waiting.（）
第9题：
A user states that all their incoming mail is showing that it is behind three hours. All other users have the correct time. Which of the following should the technician check?（）
第10题：
Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）