此时最重要的体格检查发现是
A．胸廓呈桶状
B．双侧肺语颤减弱
C．双肺呼吸音对称减弱
D．两肺可闻及干湿啰音
E．颈静脉怒张，肝脏大
参考答案：E
The most interesting thing to the small boy was _______ he got close to the door, it would open of itself.
A．that as
B．that that
C．what that
D．what when
与胶片将X线强度差异转换为光学密度的因素无关的是（）
A.荧光体特性
B.胶片特性
C.显影加工条件
D.观片灯亮度
E.X线对比度
