下列______是猪的硒和维生素E缺乏或与之有关的疾病( )。
A.脑软化
B.胰腺纤维化
C.桑葚心
D.胎衣滞留
E.渗出性素质
参考答案:C
Was it the Moonstone’s bad luck ____ caused so many strange things to happen during the evening?
A.before
B.when
C.since
D.that
糖尿病患者在口服甲苯磺丁脲等降血糖药物时,合用哪项会降低疗效()
A.大黄
B.黄芩
C.双花
D.甘草
E.麻黄