题目内容

发绀常不容易出现在哪些部位（）

A. 躯干
B. 耳垂
C. 鼻尖
D. 口唇
E. 甲床

查看答案

搜索结果不匹配？点我反馈

更多问题

高铁血红蛋白血症描述正确的是（）

A. 氧疗无效
B. 是中毒所致
C. 无法治疗
D. 抽出的血为蓝褐色

额定电压为220V的三相对称负载，用线电压为380V的三相对称电源供电时，三相负载应连接成( )。

A. Y形
B. 三角形
C. 不确定

在三相四线制照明电路中，中线可以随意断开。（）

A. 对
B. 错

Suppose that a disk drive has 3000 cylinders, numbered 0 to 2999. The drive is currently serving a request at cylinder 114, and the previous request was at cylinder 112. The queue of pending requests, in FIFO order, is 360, 1470, 913, 1274, 96, 509, 122, 1750, 108. Starting from the current head position, what is the total distance (in cylinders) that the disk arm moves to satisfy all the pending requests, for each of the following disk-scheduling algorithms? a. SSTF b. LOOK c. C-SCAN