不受固定成本影响，和产销量保持一致变动的是()。
A
暂无解析
Ifyourcar_____anyattentionduringthefirst12months,takeittoauthorizeddealer.
Tomhasbeenavegetarian____principleforyears.
Wecanhear（）fromthebackoftheroom.
“Whatcoursesareyougoingtodonextsemester”
“Idon’tknow.Butit’sabouttime_____onsomething.”
The（） inJanet‘scharacterhashinderedherfroomadvancementinhercareer.