The right answer for the question that is being asked and shown above is that: "Anaerobic exercise is mostly intended to improve cardiorespiratory endurance." The statement about anaerobic exeroses that is true is that Anaerobic exercise is mostly intended to improve cardiorespiratory endurance.
No, a long as a dairy cow has been pregnant once, the cow will continue producing milk as long as it is continually milked whether it is currently pregnant or not