当过敏反应出现休克、严重支气管痉挛或喉头水肿时首选()①大流量吸氧②糖皮质激素③组胺H1阻滞剂④肾上腺素
A.①②③
B.①③
C.②④
D.④
E.①②③④
参考答案:D
Our teacher is coming. Please stop _____ and keep ________.
A.talking; quiet
B.to talk; quiet
C.talking; quietly
D.to talk; quietly
“老核幼浆”可见于下列哪种疾病()
A.巨幼细胞贫血
B.缺铁性贫血
C.溶血性贫血
D.阵发性睡眠性血红蛋白尿
E.再生障碍性贫血