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.
