高等继续教育 / 护理英语I
正确率：100%
题型描述: 单选题
Before insert the needle into veins, you have to ( ) the skin of the injection site.
A.clean
B.check
C.sterilize
D.select
Before insert the needle into veins, you have to ( ) the skin of the injection site.
A.clean
B.check
C.sterilize
D.select
参考答案：
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