PTH的生理作用是( )
A.抑制未分化间质细胞的分化B.激活细胞内腺苷酸环化酶C.促进骨钙沉积D.使血磷浓度升高E.以上都不是
参考答案:E
______ around the Water Cube, we were then taken to see the Bird's Nest for the 2008 Olympic Games. [ ]
A. Having shown
B. To be shown
C. Having been shown
D. To show
下列各项,属我国卫生法基本原则的是()
A.遵循民法原则
B.患者自主原则
C.依照法定权限原则
D.坚持民主立法原则
E.从实际出发原则