The was used to protect the whole population against infection.
举一反三
- A sell-stop order is something like a floor. It is used to protect against downturn in a stock.
- The proportion of the English in the whole population accounts for .
- ______, which looks like water, can be used as an antiseptic to stop an infection.
- During the process of protecting the body from infection， _____ mainly reacts to bacterial infection. ( ) A: eosinophil B: basophil C: lymphocyte D: neutrophil
- The prevention and control strategybased<br/>on the three links of the epidemic process of infectious diseases<br/>include (). A: Control sources of infection B: Interrupt the route of transmission C: Kill wild animals D: Protect the susceptible population E: Environmental disinfection<br/>判断题