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患者女，65岁，上下牙全部缺失，下颌弓明显宽于上颌弓，舌体增大，余未见异常。

舌体增大，可能导致结果，哪项不是（）。

A.容易咬舌

B.发音障碍

C.面部外形改变

D.义齿固位不良

E.不易获得准确印模边缘

答案

参考答案：C

完形填空
完形填空。
　 Mike and Ann are  1  They live in a large house. The house is  2  the foot of a mountain (big hill). Near the
mountain  3  a lake. 　　
    There are four people in the family: Mike, Ann, their father and their mother. Their father is a farmer. He  4
 a farm not far from their house. Their mother is at home. She is a housewife (家庭主妇). Mike and Ann go to
school every day. They are  5 , but they are  6 . Mike is in Grade 2. Ann is in Grade 1. 　　
    Mike likes sports. He likes swimming and playing football. After school he often plays football  7  his
classmates. Ann is a good girl. After school, she often goes home to help her mother  8  the housework.
( )1. A. brothers and sisters
( )2. A. at                 
( )3. A. has                
( )4. A. are working        
( )5. A. at the same school 
( )6. A. in different grades
( )7. A. and                
( )8. A. doing               		B. brother and sister 
B. in                 
B. have               
B. is working         
B. at the same schools
B. in a different grade
B. with               
B. does                		C. a brother and sister
C. under              
C. is there           
C. works on           
C. in the same school 
C. at different grades
C. but                
C. with                		D. a brother and a sister
D. on                   
D. there is             
D. works at             
D. in the same schools  
D. at a different grade 
D. or                   
D. in                   
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填空题

一份好的教案应具有（）、适用性、规范性、简明性和灵活性的特点。
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