小儿原发性肺结核原发病灶最常见的转归是()
A.钙化
B.血行播散
C.产生空洞
D.干酪样变
E.支气管淋巴结周围炎
参考答案:A
腮腺床构成中不包括()
A.茎突周围肌
B.面神经
C.迷走神经
D.颈内动脉
E.颈内静脉
Most scientists agree this outpouring contributes to global warming, which could eventually lead to coastal flooding, extreme weather, and widespread crop loss.