龋病的治疗目的（） A.保护牙髓 B.恢复牙的功能 C.维持与邻近_爱下问搜题

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问题多项选择题

龋病的治疗目的（）

A.保护牙髓

B.恢复牙的功能

C.维持与邻近软硬组织的正常解剖关系

D.保护根尖

E.保护牙周

答案

参考答案：A, B, C

单项选择题

Questions 14-23

·Look at the ten statements for this part.
·You will hear a passage about "A Research on Sleep ". You will listen to it twice.
·Decide whetheryou think each statement is right(R), wrong(W) or not mentioned(NM).
·Mark your answers on the Answer Sheet.

During the REM period your eyes will move around under the eyelids as if you were looking at something happening in front of you.

A．Right

B．Wrong

C．Not Mentioned

单项选择题

下颌后静脉后支与耳后静脉，在下颌角附近汇合而成（）

A.颈静脉弓

B.颈内静脉

C.颈外静脉

D.面静脉

E.颈前静脉