ensure security in job, basic living needs, operations of market entities, food and energy security, stable industrial and supply chains, and the normal functioning of primary-level governments
举一反三
- Chinese measures to the future food security is ensuring basic self-sufficiency of grain and absolute security of staple food".（ ）
- Food security implies that food is available in absolute quantities to meet the needs of the present generation.
- Food security implies that food is available in absolute quantities to meet the needs of the present generation.
- ________<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
- The beta of a security is calculated by A: dividing the covariance of the security with the market by the variance of the market. B: dividing the correlation of the security with the market by the variance of the market. C: dividing the variance of the market by the covariance of the security with the market. D: dividing the variance of the market by the correlation of the security with the market.