预防溶血反应的措施包括()
A.严格执行无菌操作
B.输血前肌注异丙嗪
C.做好血液质量检查
D.输血前静注10%葡萄糖酸钙
E.输血前静注地塞米松
参考答案:C
---It’s good for you to ______ in class.
--- I think so. Thank you.
A.have a rest
B.get into trouble
C.laugh at others
D.take notes
PVC密封胶的材料由()等构成。
A.增塑剂
B.填充料
C.增强剂