颈椎椎管狭窄的定义是椎管直径A．≤11mm B．≤13mm C．≤15mm D．≤1_爱下问搜题

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问题单项选择题

颈椎椎管狭窄的定义是椎管直径

A．≤11mm

B．≤13mm

C．≤15mm

D．≤17mm

E．≤19mm

答案

参考答案：A

改错题

( )1. It's   important learning English well.
            A             B         C                   D
( )2. What are they going to be when are they older?
                                  A       B               C        D
( )3. She opened the door careful.
             A      B          C         D
( )4. It takes me ten minutes walking to school every day.
             A              B                    C                     D
( )5. The elephant is the bigger animal in the world.
                         A              B           C               D

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多项选择题

心理自控能力好的人，往往（）

A.不过分的拘谨

B.不过分随便

C.情感表达恰如其分

D.行为自知，言语畅通