题目内容

高质量冰箱保养工作应包括哪几项？

查看答案

搜索结果不匹配？点我反馈

更多问题

我国通常惯用烧伤分类方法是（）。

A. 按照烧伤范围占全身的百分数的"新九分法"
B. 按照烧伤范围占全身的百分数的"三度四分法"
C. 按照烧伤深度分类的"新九分法"
D. 在"新九分法"中，手掌面积约为体表面积的1%
E. 在"三度四分法"中，手掌面积约为体表面积的1%

查看答案

电动机运行前应进行哪些检查工作？

查看答案

Examine these statements: CREATE ROLE registrar GRANT UPDATE ON dtudent_grades TO registrar; GRANT registrar to user1, user2, user3; What does this set of SQL statements do? （）

A. The set of statements contains an error and does not work.
B. It creates a role called REGISTRAR, adds the MODIFY privilege on the STUDENT_GRADES object to the role, and gives the REGISTRAR role to three users.
C. It creates a role called REGISTRAR, adds the UPDATE privilege on the STUDENT_GRADES object to the role, and gives the REGISTRAR role to three users.
D. It creates a role called REGISTRAR, adds the UPDATE privilege on the STUDENT_GRADES object to the role, and creates three users with the role.
E. It creates a role called REGISTRAR, adds the UPDATE privilege on three users, and gives the REGISTRAR role to the STUDENT_GRADES object.
F. It creates a role called STUDENT_GRADES, adds the UPDATE privilege on three users, and gives the UPDATE role to the registrar.

查看答案

我国学科课程的雏形是（）

A. 七艺
B. 语文、数学、外语
C. 礼、乐、射、御、书、数
D. “五经”、“四书&rdquo

查看答案