【单选题】All the staff members ran with ________ towards the finish line.
【简答题】抑制剂可分为那两类_______。 (A)竞争性抑制剂和非竞争性抑制剂 (B)可逆抑制剂和不可逆抑制剂 (C)竞争性抑制剂和可逆抑制剂 (D)可逆抑制剂和非竞争性抑制剂
【单选题】A person in a staff position provides advice to a line supervisor who makes decisions and directly supervises staff.