皮皮学，免费搜题
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【多选题】
摘下口罩正确的做法包括?
A.
不用接触口罩的前面(污染面)
B.
先解开下面的系带,再解开上面的系带
C.
用手指捏着口罩的系带丢至医疗废物容器内
D.
摘掉口罩后可以不用洗手
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【单选题】Kodak's marketing team identifies a group of people who are most likely to use the company's new digital photo technology and create advertisements specifically for them. In a communications model, th...
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