皮皮学，免费搜题
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【单选题】
关于教师介入指导的时机,下列说法中不正确的是____。A.
当幼儿在角色游戏中出现问题或困难时
B.
当教育目标需要在游戏中完成时
C.
当游戏水平需要提升时
D.
当幼儿太投入游戏不愿意结束时
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【简答题】阅读理解。 Do you want to save (节省) money when you take our train to travel? Here are some ways. Day Returns This kind of ticket can save you 45% on the fare. You have to travel before 8:00 a.m. and after ...
【单选题】下列情况属于医院感染（ ）
A.
皮肤黏膜开放性伤口只有细菌定植而无炎症表现
B.
由于创伤或非生物性因子刺激而产生的炎症表现
C.
新生儿经胎盘获得(出生后48h内发病)的感染，如单独疱疹、弓形体病、水痘等
D.
病人原有的慢性感染在医院内急性发作
E.
医院工作人员在医院内获得的感染
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