患者男性，9岁，外伤1天，因下前牙冷热刺激痛就诊，查体：左上颌_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题 A3/A4型题

患者男性，9岁，外伤1天，因下前牙冷热刺激痛就诊，查体：左上颌第一切牙冠方1／2缺损，已露髓，右上颌第一切牙左侧切角缺损约1／4牙冠，断面尖锐，未见露髓孔，冷刺激敏感。

患儿左上颌第一切牙合理的处理方法是（）

A.一次性根管治疗

B.直接充填

C.开髓拔髓后封药

D.牙髓切断术

E.根尖诱导成形术

答案

参考答案：E

完形填空

完形填空。

Lei Feng is always ready 1__________. Once 2__________ the train station, a woman loses 3___________
ticket. She has 4___________ money for 5___________. She looks very 6___________. When Lei Feng learns
about it, he buys a ticket 7___________ her. The woman thanks 8___________ and asks his name and address.
Lei Feng smiles and 9___________, " My name is a PLA and I live 10___________ China"

( ) 1. A. to help others
( ) 2. A. at
( ) 3. A. she
( ) 4. A. no
( ) 5. A. other
( ) 6. A. happy
( ) 7. A. to
( ) 8. A. he
( ) 9. A. speaks
( ) 10. A. on

B. to help the others
B. in
B. her
B. not
B. the other
B. worried
B. at
B. him
B. tells
B. near

C. help another
C. on
C. he
C. some
C. another
C. worry
C. for
C. his
C. says
C. of

D. help other
D. to
D. his
D. much
D. others
D. happily
D. give
D. he's
D. talks
D. in

单项选择题

下面是有关超文本的叙述，其中错误的是【】。

A．超文本节点可以是文字，也可以是图形、图像、声音等信息

B．超文本节点之间通过指针链接

C．超文本节点之间的关系是线性的

D．超文本的节点可以分布在互联网上不同的WWW服务器中