肺部肿块出现"爆玉米花"样的钙化特征多见于（）。
A.肺炎
B.肺脓肿
C.肺结核
D.肺癌
E.肺错构瘤
参考答案：E
When and where to go for the on-salary holiday still _____. [ ]
A. are remained to decide
B. is remaining to decide
C. remain to be decided
D. remains to be decided
位于美国______市的______博物馆，为世界四大博物馆之一。
