Question

select the text from the paragraph that best helps you understand that regimen means a regular course of action. there may be more than one correct choice. on the iss, the astronauts work can be both difficult and diverse: tasks include challenging repair jobs and lengthy spacewalks. therefore, it is important that the astronauts prepare themselves with specially designed routines before arriving at the space station. such a regimen might include lifting weights, moving heavy objects, doing push - ups and pull - ups, running, and cycling. this constant variation prepares astronauts for all the stresses and challenges they will encounter in space.

Explanation:

The text defines "regimen" by listing structured, repeated physical activities (lifting weights, push-ups, pull-ups, running, cycling) that astronauts follow to prepare for space. This matches the meaning of a regular, planned routine of actions (here, exercise).

Answer:

"Such a regimen might include lifting weights, moving heavy objects, doing push-ups and pull-ups, running, and cycling."