中心型肺癌患者可见
A.肺门肿块并叶支气管被阻断B.肺内肿块并亚段支气管被阻断C.肺门肿块并叶支气管受压变窄D.肺门肿块并肺大疱形成E.肺内肿块并支气管扩张
参考答案:A
Those who suffer from headache will find they get ________ from this medicine.[ ]
A.relief
B.safety
C.defense
D.shelter