问题
单项选择题
胸部CR摄影时为了显示被肋骨遮蔽的肺部病变,应选用哪种后处理方法()
A.灰阶处理
B.窗位处理
C.能量减影法
D.时间减影法
E.放大摄影
答案
参考答案:C
胸部CR摄影时为了显示被肋骨遮蔽的肺部病变,应选用哪种后处理方法()
A.灰阶处理
B.窗位处理
C.能量减影法
D.时间减影法
E.放大摄影
参考答案:C
读一读,完成下面的题目。 | |
Peter goes to the library at ten in the morning. Then he has lunch with his friends at one fifteen in the canteen. He goes home at six and has dinner at seven ten. On Sunday, Peter goes to a music class at two in the afternoon. Then he plays computer games at eight.
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