胰腺手术后出血时,宜选用()
A.维生素K
B.硫酸鱼精蛋白
C.氨甲环酸
D.硫酸亚铁
E.右旋糖酐铁
参考答案:C
This building is too old and dangerous. It should _ __ dowm [ ]
A. to pull
B. pull
C. is pulled
D. be pulled
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