2011年的荧屏上“穿越”题材的电视剧扎堆放映，目前，人类实现“穿越”梦想的科学依据是
A．相对论
B．量子论
C．牛顿力学
D．太阳中心说
答案：A
Her car broke down on her way to the park.________, she had to ask someone to repair it.[ ]
A. As a result
B. As a matter of fact
C. As usual
D. As a whole
该患儿脱水的性质是
A．低渗性脱水
B．等渗性脱水
C．高渗性脱水
D．中度脱水
E．重度脱水
