称“筋之余啊”的是()
A.齿
B.筋
C.爪
D.发
E.皮
参考答案:C
--David will never ____ though he fails again and again.
--_______. So I believe both of you will succeed one day.
A.give up, Neither will you
B.give off, Neither you will
C.take up, So will you
D.take off, So you will
简述组织结构的维度。