糖皮质激素诱发和加重感染的主要原因为
A.病人对激素不敏感
B.激素用量不足
C.激素能促使病原微生物生长繁殖
D.激素降低了机体对病原微生物的抵抗力
E.以上都不是
参考答案:D
His friends found_____ to tell him everything that had happened.
A.it necessary
B.that necessary
C.it is necessary
D.necessary
治疗下焦虚寒、腹中冷痛、经血持续半月未止者,宜选用的药物是()
A.地榆
B.茜草
C.艾叶
D.干姜
E.侧柏叶