HP可引起的胃部疾病为()
A.反流性食管炎
B.慢性胃炎
C.胃癌
D.胃淋巴瘤
E.消化性溃疡
参考答案:B, C, D, E
There is ____________ elephant in the zoo. [ ]
A. a
B. an
C. the
TND360型数控车床为()轮廓控制的卧式数控车床