患者，男性，38岁，要求拔除左下水平低位埋伏阻生智齿。此时不正_爱下问搜题

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问题单项选择题

患者，男性，38岁，要求拔除左下水平低位埋伏阻生智齿。此时不正确的处理是

A．X线片检查

B．行下牙槽神经麻醉

C．舌侧翻瓣

D．术后仔细清理牙槽窝

E．术后口服抗生素

答案

参考答案：C

完形填空

完形填空。

Mother: Lily, where are you?
Lily: I'm in my    1    , Mum.
Mother:    2 are you doing there?
Lily: I'm    3 my lessons.
Mother: Could you    4   and help    5   ?
Lily: Certainly.   6   here Mum. What are you    7   ?
Mother: I'm making some    8   .
Lily: Oh,cakes. How nice! I    9   them very much.
Mother: Lily, look at your things. Put them away. You must look after your things.
Lily: Put them away?   10 ?
Mother: In your box, OK?

( )1. A. classroom
( )2. A. What
( )3. A. reading
( )4. A. go
( )5. A. you
( )6. A. You're
( )7. A. doing
( )8. A. food
( )9. A. want
( )10. A. Where

B. bedroom
B. Who
B. making
B. like
B. her
B. I'm
B. writing
B. fee
B. eat
B. What

C. school
C. Where
C. doing
C. read
C. me
C. She is
C. wearing
C. cakes
C. know
C. Who

D. shop
D. How
D. seeing
D. come
D. them
D. It's
D. thinking
D. clothes
D. like
D. Whose

单项选择题

与类型随机抽样具有相似之处的是（）。

A．偶遇抽样

B．定额抽样

C．主观抽样