The first thing an actor does when working in a play is

Read the script

Explanation:

Actors express ideas and portray characters in theater, film, television, and other performing arts media. They also work at theme parks or other live events. They interpret a writer's script to entertain or inform an audience. ... For some roles, an actor must learn a new skill, such as horseback riding or stage fighting. Hope that this helps you and have a great day :)

answer; the liver can process (one standard drink) in one hour;