问题
单项选择题
首选的检查手段是
A．肛门指检
B．钡剂灌肠
C．纤维结肠镜
D．全消化道钡餐
E．粪便常规
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
首选的检查手段是
A．肛门指检
B．钡剂灌肠
C．纤维结肠镜
D．全消化道钡餐
E．粪便常规
参考答案：B
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2. Mary is _ _ than Rick. But Bob is . 3. Mary is _ _ than Rick. But Bob is _. 4. Bob is than Mary, and he is . |