问题
单项选择题
为将塑化液导入充满根管，操作上应注意（）
A.将塑化液反复导入、吸出3～4次
B.导入器械提插震荡
C.导入器械必须进入根管的根尖1／3处
D.隔离口水，干燥髓腔
E.以上都应注意
答案
参考答案：E
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为将塑化液导入充满根管，操作上应注意（）
A.将塑化液反复导入、吸出3～4次
B.导入器械提插震荡
C.导入器械必须进入根管的根尖1／3处
D.隔离口水，干燥髓腔
E.以上都应注意
参考答案：E
根据对话内容，用方框内所给的选项补全对话, 其中有一项是多余的。（5分）  (Frank and Alice are talking about childhood memories.)Frank: Look at this old photo. My mom sent it to me. Alice: 1. ________ Frank: Yeah, with my best friend. We were in a primary school together. Alice: How cute you were! Do you remember much about your primary school? Frank: Not much. 2. ________ On the way home, I forgot to get off the school bus at my stop. Alice: Oh, that’s really too bad! Frank: And I was the last kid on the bus. Alice: 3. ________ Frank: The bus driver had to call and find out my address. 4. ________ Alice: How old were you at that time? Frank: 5. ________ Alice: You were lucky! I’m sure it won’t happen to you again.
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