有关金-瓷桥连接体的说法错误的是（）. A.应尽量宽大 B.不要压

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问题单项选择题

有关金-瓷桥连接体的说法错误的是（）.

A.应尽量宽大

B.不要压迫牙龈

C.应高度抛光

D.不能形成狭缝

E.分整铸法和焊接法两种

答案

参考答案：A

选择题

( ) 1. My mother is shorter than my father.	A.
( ) 2. Lynn has long, curly hair. She wears glasses.	B.
( ) 3. My sister is young. She is a doctor.	C.
( ) 4. My grandfather likes to play checkers with me.	D.
( ) 5. My mother and my sister will go to the store to buy clothes.	E.

解答题

火车晚上9：50从武昌开出，经过11小时40分到达北京，到达北京是几时几分？