皮皮学，免费搜题
登录
搜题
【简答题】
MS-DOS是单用户单任务的操作系统；UNIX和Linux是（ ）的操作系统。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Which part is NOT a specific detail in the sentence: “He had opened his eyes with the sun, scratched, done his business like a dog at the roadside, washed at the public fountain, begged a piece of bre...
A.
He had opened his eyes
B.
like a dog
C.
squatting on the ground
D.
scooped from the spring
【单选题】He covered his eyes with his hands. 译文:他用手捂住了眼睛。译文省译了 ______ 。
A.
人称代词
B.
动词
C.
物主代词
D.
介词
【单选题】He shook his head with his eyes ______ at the floor.
A.
look
B.
looked
C.
looking
D.
to look
【多选题】关于霍尔效应下列表述正确的是
A.
运动电荷受洛伦兹力横向运动
B.
横向运动电荷受电场力阻碍
C.
电场力和洛伦兹力达到平衡,霍尔片横向形成霍尔电压
D.
同样厚度的导体霍尔片比半导体霍尔片灵敏度高
相关题目：
参考解析：
知识点：
题目纠错 0
发布
