ECAM警告信息中，level2和level1有何区别？（）
A: 无区别
B: level2比level1后退一格
C: level1比level2后退一格
D: level2的有单语音，level1的无音响警告
A: 无区别
B: level2比level1后退一格
C: level1比level2后退一格
D: level2的有单语音，level1的无音响警告
举一反三
- 【单选题】享有报价优先推荐和Popular Supplier标识的等级是? A. Level 4 B. Level 1 和 Level 2 C. Level 3 和Level 4 D. Level 1
- 中国大学MOOC: Abraham Maslow’s Hierarchy of Human Needs are: Level 1 Physical Needs, Level 2 Safety Needs, Level 3 Esteem Needs , Level 4 Social Needs and Level 5 Self-Realization Needs.
- Read the passage again and choose the best answer to complete each statement.（1--8）1. The Exhibition Hall is on _______. A: Level 1 B: Level 2 C: Level 3
- 分析下面的JavaScript代码段,输出结果是()varlevel=3;document.write(level==1?"优":level==2?"良":level==3?"中":level==4?"及":"差",""); A: 中 B: 3 C: 差 D: 良
- ________<br/>means the level for which appropriate additional<br/>protective security measures shall be maintained for a period of time<br/>as a result of heightened risk of a security incident. A: Security level 1 B: Security level 2 C: Security level 3 D: Security level 4