A．It can prevent our faces from being hit.
B．It can reduce the effect of shock to our teeth.
C．It can stop us from grinding our teeth.
D．It can make up for the damage we make to our teeth.

A．is quite attractive to the applicant in the interview.
B．can be well above ＄40,000 at the end of the year.
C．varies according to how well the company does throughout the year.
D．depends on how welt the woman does her job in the year.