下列哪项不是子宫肌瘤变性( )
A.肉瘤样变
B.囊性变
C.白色样变
D.红色变
E.玻璃样变
参考答案:C
The increase in total revenue from selling the additional output of one more unit of an input is called the input’s:()
A. factor of production.
B. marginal revenue.
C. marginal revenue product.
切除动物的垂体后,血液中()
A.生长激素减少,甲状腺激素也减少
B.生长激素增加,甲状腺激素也增加
C.生长激素减少,甲状腺激素增加
D.生长激素增加,甲状腺激素减少