______ means the level for which further specific protective security measures shall be maintained for a limited period of time when a security incident is probable or imminent, although it may not be possible to identify the specific target.
举一反三
- ________means<br/>the level for which further<br/>specific protective<br/>security measures shall be maintained for a limited period of time<br/>when a security incident is probable or imminent, although it may not<br/>be possible to identify the specific target. A: Security level 1 B: Security level 2 C: Security level 3 D: Security level 4
- ________<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
- If we have put in place the highest possible security measures on social media, then our personal information may not be leaked.
- If a foreigner acts against the administration of public security in China, he shall leave China within a limited time or be deported.
- A considerable period of time has to _______ before the effects of such security measures as closed-circuit television cameras and cell-phone monitoring become evident in reducing crimes.