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【多选题】
实验性研究必须具备的要素是A.
有研究干预
B.
有研究对照
C.
应用随机
D.
有推论性统计
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【简答题】The fact that so many people still smoke in public place _______that we may need antionwide campaign to raise awareness of the riks of smoking. A．suggest B．suggests C．suggested D．suggesting
【简答题】短文改错（共10小题; 每小题1分, 共10分） If you walk around in some public place, you will notice most of smokers are young people and some are still middle school students. It is said that in China the number of peo...
【单选题】The fact that so many people still smoke in public place _____ that we may need nationwide campaign to raise awareness of the riks of smoking. [ ]
A.
suggest
B.
suggests
C.
suggested
D.
suggesting
【简答题】进入人体组织、无菌器官的医疗器械、器具和物品必须达到______。接触皮肤、粘膜的医疗器械、器具和物品必须达到______。各种用于注射、穿刺、采血等有创操作的医疗器具必须______。
【单选题】The fact that so many people still smoke in public place _______that we may need antionwide campaign to raise awareness of the riks of smoking. A.suggest B.suggests ...
A.
1
B.
2
C.
3
D.
4
【多选题】以下说法正确的是。()
A.
凡进入人体组织、无菌器官的医疗器械、器具和物品必须达到灭菌水平
B.
凡进入人体消化道、呼吸道的内镜必须达到高水平消毒
C.
各种用于注射、穿刺、采血等有创操作的医疗器具必须一用一消毒
D.
接触皮肤、粘膜的医疗器械、器具和物品必须达到消毒水平
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