最严重的早期输血并发症是
A.溶血反应
B.发热反应
C.过敏反应
D.循环超负荷
E.细菌污染反应
参考答案:A
— Tell him about the news when he ________, John.
— Yes, I will. [ ]
A. comes
B. will come
C. would come
D. is coming
厨房在炼油、炸制食品和烤制食品时要设专人负责看管。( )