下列不属于下消化道出血的是
A．小肠肿瘤出血B．Crohn病出血．C．小肠憩室出血D．肠套叠出血E．胆道出血
参考答案：E
The lady who had invited us heard me telling my wife that the dinner was terrible so I was _____.
A．confused
B．nervous
C．shameful
D．embarrassed
检查水平灰缝厚度是用尺量（）皮砖砌体高度折算。
A.8
B.10
C.12
D.14
