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问题 单项选择题

机械性肠梗阻患者腹部平片显示下列何种变化时，应考虑绞窄性肠梗阻的可能（）

A.扩张肠段黏膜呈鱼刺状

B.扩张肠段呈梯形排列

C.近端肠段扩张，远端肠段未见气体

D.孤立肠段扩张且较固定

E.以上都不是

答案

参考答案：D

完形填空

Jack was ten years old, and his brother, Jimmy, was five. One day, after 小题1:(play) for an hour, they were hungry. Their mom took Jack into the kitchen. She gave him two apples and said to him: “Now give one of 小题2:(they) to your brother. But remember to do it like a gentleman.”

“Like a gentleman?” Jack asked. “How do gentlemen do it?”

“They always give the 小题3:(big) one to the other person,” answered his mom at once.

“Oh,” said Jack. He thought about this for a few 小题4:(second). Then he took these apples to his brother and said to him: “ 小题5:(pick) up one, Jimmy. And remember to do it like a gentleman.
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单项选择题

穿过横突孔的结构（）

A．脊神经

B．椎动脉

C．颈内静脉

D．迷走神经

E．颈内动脉
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