Answer:

You can actually use many words to describe a work of art which is of the highest quality. I'll prefer to use the word - <u>'Magnum Opus'</u> which in modern use is used to refer to a creation that has been given much critical praise, especially one that is considered the greatest work of a person's career or to a work of outstanding creativity, skill or profundity,.
 
        
             
        
        
        
D. Newborns can differentiate smells and prefer sweet smells
        
             
        
        
        
A. usually accompanied by dull pain
 Hamstring strains are
accompanied by sudden and severe pain during exercise they may possible
include a snapping or popping feeling.
        
                    
             
        
        
        
I would go with the last choice
rest, ice, compress, elevate, stabilize
        
             
        
        
        
I had to do this too when i was in middle school;
Number 1, I said that their are many local gyms and fitness centers, healthy restaurants, and clinics that help your health, and one way you can say that you are experienced with one of them is by going to a gym or eating at a certain place before, or even shopping at a clinic.
For number 2, you can motivate yourself past and distractions by staying positive, paying attention by putting more focus on what your working on, eliminating distractions like your cellphone or devices, or anything that is unnecessary for what you are working on, and not letting others in the classroom or work environment distract you.
Good luck, hope this helps!! :)