必需脂肪酸的功能不包括()
A.参与生物膜中磷脂的合成
B.降低胆固醇水平
C.升高胆固醇
D.花生四烯酸是前列腺素的前体
E.构成机体的组织成分
参考答案:C
You are always making noises! Why must you be so annoying while the latest sports news ____ on the radio!
A.is broadcast
B.was broadcast
C.has been broadcast
D.is being broadcast
属于肝硬化最突出的临床表现的是
A.肝肿大B.脾肿大C.腹水D.侧支循环的建立和开放E.上消化道出血