题目内容

下列器官中梗死灶为地图形的是()

A. 小肠
B. 脾
C. 肾
D. 肺
E. 心

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市场调查与预测工作的复杂性,要求实现()。

A. 现代化
B. 科学化
C. 集约化
D. 组织化答案

当隔离开关的红外热像检测发现异常时,需进行()测量。

交流电u1=311sin(314t-40°)v与u2=311sin(314t+30°)v的关系为()。

A. u1滞后u2
B. u1超前u2
C. u1、u2同相

A user reports that they cannot cd to /tmp/application. A system administrator entered the following command: (1)ls -ld /tmp/application (2)drw-r--r-- 4 root system 512 Jan 15 14:09 application What is the most likely cause of the problem?()

A. The /tmp/application should be globally writable.
B. The /tmp/application directory should be executable.
C. The /tmp/application directory should be owned by the user.
D. The /tmp/application directory should have the sticky bit set.

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