Methods of drug administration in order of fastest to slowest CNS response. Intravenous (IV) drug use in which the drug is injected directly into a vein and enters the bloodstream to reach the brain. This is the quickest way of achieving a psycho-active drug effect.
hope this helps
Answer:
i think that would be 1 or 4
Explanation:
i don't know hope this kind of helps
我爱吃鱼- I love fish
Or written in English is- Wǒ ài chī yú
I'm not Chinese but you can just go on google translate it helps you tremendously! :) hope this helped! Have a wonderful and great day!!! :D
~xoxo wSpaceFacew