佝偻病活动期合并肺炎时对佝偻病的主要处理是()
A.口服鱼肝油
B.口服钙剂
C.晒太阳
D.肌注维生素D3
E.暂不治疗
参考答案:D
One of my classmates _____ to see me tonight and we'll talk about our school lives. [ ]
A. is coming
B. came
C. are coming
D. has been coming
达尔文的进化理论揭示了地球上所有生物都来源于原始的 ,不同生物之间存在着 关系。