骨骼肌一般超过人体重量的()。
A.20%
B.30%
C.40%
D.50%
E.60%
参考答案:C
解析:骨骼肌是体内最多的组织,约占体重的40%。
An analyst does research about equilibrium. Which of the following types of equilibrium is most likely to describe a monopoly that uses all its economic profit to maintain its monopoly()
A. Nash equilibrium.
B. Long-run equilibrium.
C. Rent-seeking equilibrium.
前列腺腺体组织主要分区为周缘区中央区和移行区。前列腺癌易发声于()。
A.移行区
B.中央区
C.周缘区
D.移行区和周缘区
E.移行区和中央区