If you don’t use English from time to time, you can’t maintain your current English level, let alone upgrade your oral English to the upper level._______________

The high level and low level specified by LVTTL are ________. A: high level 5.0V low level 0V B: high level 3.3V low level 0V C: high level 2.4V~5.0V low level 0V~0.5V D: high level 2.4V~3.3V low level 0V~0.4V

Fiction has two levels of understanding, the narrative level and the<br/>authorial level, or the <br/>surface<br/>level and the deep level of understanding.()

Strategic level of goals and plans shape the tactical level and the operational level of goals and plans.

【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

2、To build core competence, a business should work from such aspects as（） A: strategic level B: organizational level C: technological level D: customer level

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.

Where is the most likely place to find a book on physics（） A: Level 1. B: Level 2. C: Level 3.

中国大学MOOC: The “repeatable” level of CMM (Level 2 ) means that:

________<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