能量转化与守恒定律是在十九世纪()到()年代由很多个科学家在不同的角度和领域共同研究得出的规律。
参考答案:30;40
The nurse is developing a discharge plan for a client who had cataract removal. Which of the following should be included in the discharge plan
A. Wear cataract glasses that correct vision by magnifying objects.B. Wear corrective glasses or contact lenses.C. Wear glasses only until the eye heals.D. Relearn to judge distances accurately.
右肺上可见()
A.主动脉弓压迹和胸主动脉压迹
B.主动脉弓压迹和食管压迹
C.食管压迹和奇静脉沟
D.胸主动脉压迹和奇静脉沟
E.食管压迹和胸主动脉压迹