长期反复或大量输注库血可出现()
A.伤口渗血
B.心率缓慢
C.便秘
D.呼吸缓慢
E.手足抽搐
参考答案:A, B, E
______ is generally regarded as Shakespeare's most popular play on the stage, for it has the qualities of a "blood-and-thunder" thriller and a philosophical exploration of life and death.
A. Hamlet B. King LearC. Romeo and Juliet D. Othello
论述氮素循环途径及微生物在氮素循环中的作用