【单选题】青霉素过敏试验可疑阳性者,应用什么溶液作对照试验
【多选题】According to the author, three civil rights groups provided the leadership, the tactics, and the people to fight against Southern segregation. What are they? ( )
A.
The Student Nonviolent Coordinating Committee
B.
The Congress of Racial Equality
C.
The Southern Christian Leadership Conference
D.
The Student for a Democratic society
【单选题】Shell完成命令的解释过程是什么?
A.
当用户提交了一个命令后,Shell首先判断它是否为内置命令,如果是就通过Shell内部的解释器将其解释为系统功能调用并转交给内核执行; 若是外部命令或实用程序就试图在硬盘中查找该命令并将其调入内存,再将其解释为系统功能调用并转交给内核执行。
B.
当用户提交了一个命令后,Shell首先判断它是否为外部命令,如果是就通过Shell内部的解释器将其解释为系统功能调用并转交给内核执行; 若是内置命令或实用程序就试图在硬盘中查找该命令并将其调入内存,再将其解释为系统功能调用并转交给内核执行。
C.
当用户提交了一个命令后,Shell只判断它是否为内置命令,如果是就通过Shell内部的解释器将其解释为系统功能调用并转交给内核执行,如果不是就不执行。
D.
只判断是否是外部命令,若是外部命令或实用程序就试图在硬盘中查找该命令并将其调入内存,再将其解释为系统功能调用并转交给内核执行。
【判断题】Civil rights are secured by positive government action , often in the form of legislation .
【简答题】Writing an essay of no less than 150 words on one of the following topic. Topic: Generation gap between parents and children
【单选题】A nurse is planning a teaching session on a wellness topic. Which adult generation group would be most likely to be skeptical about health teaching by the nurse?