老年人中常见,管腔狭窄、变细、动脉粥样硬化,()
参考答案:对
A local woman didn’t _______ her tears when she saw her store destroyed by the fire.
A.hold out
B.hold back
C.hold up
D.hold on
上述病例如喷入1%甲苯胺蓝溶液,则该区域应呈
A.蓝色
B.绿色
C.黄色
D.红色
E.不着色