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问题 单项选择题

腰椎结核

A．X线显示腰椎侧突
B．X线显示峡部不连接
C．X线显示腰椎椎体骨质破坏，椎间隙正常
D．X线显示腰椎椎弓骨质破坏
E．X线显示腰椎椎体呈楔形

答案

参考答案：C

选择题

I ______ this business if my friend Ray ______ willing to act as my helper. [ ]

A. could not start; had not been

B. could never have started; was not

C. could never have started; had not been

D. could have started; were

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问答题

习 * * * * 在十八届中央政治局常委同中外记者见面时讲话中说道，（）就是我们的奋斗目标
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