测定润滑油总酸值是用于中和()克试样中全部酸性组分所需要的碱的毫克量。
A.1
B.5
C.10
D.100
参考答案:A
Mary wrote an article on________ the team had failed to win the game. [ ]
A. why
B. what
C. who
D. that
下列我国古代杰出医学家中,被后人誉为“脉学之宗”的是()。
A.扁鹊
B.张仲景
C.华佗
D.李时珍