第10题: [多项选择]下述关于骨质疏松症的治疗哪些不正确() A. 雌激素替代治疗是最有效的方法之一 B. 钙剂和维生素D是基础用药 C. 降钙素可促进破骨细胞活性,降低骨吸收 D. 补钙药物中的含钙量越高,吸收率越高 E. 维生素D经肝脏和肾脏代谢羧基化后转变为活性维生素D才能发挥作用 参考答案:C, D, E
A. To stay with Jack is too difficult. B. To stay with his colleagues is difficult. C. To stay with his colleagues is not difficult. D. His colleagues are not on good terms with him. 参考答案:D 答案解析:[听力原文] Jack finds it difficult to stay on good terms with his colleagues, but it is not as diffic