围绝经期由于低雌激素水平引起血管舒缩变化的典型症状是()
A.月经紊乱
B.潮热、出汗
C.外阴干涩
D.激动易怒
E.骨质疏松
参考答案:B
The result was not the same as they had expected, _____ was rather disappointing. [ ]
A. that
B. which
C. when
D. what
在治疗剂量下出现药物的不良反应,此时药物的剂量为
A.大于治疗量
B.小于治疗量
C.等于治疗量
D.以上都可能
E.以上都不可能