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【多选题】
下述违反无菌操作原则的是(多选题)A.
无菌操作前半小时清扫环境
B.
使用灭菌3天的无菌包
C.
取出的无菌物品未用放回无菌容器内
D.
无菌持物钳触及液面以上的容器内壁
E.
铺无菌盘时，无菌巾上层扇形折叠边缘
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反馈参考答案：
举一反三
【简答题】向量的两要素 , 。
【单选题】In kindergarten, what did the author want to do when he grew up?
A.
work at a local grocery store
B.
dance
C.
leap on the moon
D.
be happy
【单选题】What does the author want to tell us from the story?
A.
Dogs are a loyal and reliable animal.
B.
Dogs are man's best friends.
C.
Dogs also have rights to live a happy and humane life.
D.
Dogs will face their misfortune when they're getting old.
【单选题】In line l0．when the author states that the owners“anxiously watch the sky”，there is the implication that the owners__________ ． 查看材料
A.
want their pigeons to win the race
B.
are sending radar signals to their pigeons
C.
do not know whether the race began on time
D.
do not trust the rules set down by the judges
【判断题】Hemingway's "The Old Man and the Sea" tells the story of the Greek hero's ten-year sea adventure.
A.
正确
B.
错误
【单选题】Why did the author want to work at the Market Basket when he was young?
A.
Because he thought it would be fun to swipe orange juice across the scanner at the checkout counter.
B.
Because it was the typical dream of a five-year-old.
C.
Because he wanted his parents to see at Back to School Night.
D.
Not mentioned.
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