消化性溃疡病最常见的并发症是()
A.幽门梗阻
B.穿孔
C.反流性食管炎
D.出血
E.憩窒
参考答案:A, B, D
She had wanted to go to the west part of China in search of better view. But she turned ___voluntary teacher there.
A.a; /
B.the; /
C.the; a
D.a; the
渔政船、渔监船等国家公务船的船名,由其主管机关规定。