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问题 单项选择题

以下脱位牙齿的清洁处理不正确的是（）

A.手握冠部行生理盐水冲洗

B.污染严重时可用纱布蘸生理盐水轻拭

C.污染严重时可用抗生素液体清洁

D.清洁后的牙齿应在生理盐水中保持湿润以备用

E.不可用锐器刮拭根面

答案

参考答案：C

解析：抗生素液浸泡会损伤牙根面的正常组织，故严禁采用。

补全对话，情景问答
补全对话.

(At Green Street Police Station)    A=policeman   B= woman
A: Excuse me. ___1___?
B: Yes, it's about my daughter. She goes to school in the morning and comes back home at five
    o'clock in the afternoon every day. But now it's six o'clock. She doesn't come back now.
A: Your daughter? ___2___?
B: Her name is Nancy, Nancy Brown.
A: ___3___?
B: She is eight years old.
A: ___4___?
B: She is a little bit thin and medium build. She has curly blonde hair and blue eyes. She is wearing
    a green coat, blue pants and black shoes today.
A: ___5___?
B: No, she isn't at school. I call her teacher, Miss Green. She says Nancy leaves school at 4:55.
A: OK, Mrs. Brown. We will do our best (尽力) to look for her. We will call you if we find her.
B: Thank you.

A. Can I help you
B. How old is she
C. Does she go to school today
D. What does she look like
E. What's her name
F. Is she at school now
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填空题

1996年第二十六届奥运会在美国的（）举行。
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