苗族民间最大的祭祀活动是（）。
A.祭鼓节
B.盘王节
C.花山节
D.火把节
参考答案：A
— You are supposed _____ at 6:30. Why are you so late?
— I am sorry. [ ]
A. in arriving
B. to arrive
C. to get to
肺癌的好发部位是（）
A.右肺上叶
B.右肺中叶
C.右肺下叶
D.左肺上叶
E.左肺下叶
