The nurse recognizes that spinal shock is likely to persist for the first several weeks after the injury. Which of the following symptoms would be unexpected during the period of spinal shock

A. Tachycardia.
B. Rapid respirations.
C. Hypertension.
D. Dry, warm skin.

世界上第1台电子数字计算机ENIAC是在美国研制成功的，其诞生的年份是

A．1943

B．1946

C．1949

D．1950