成人咽鼓管全长为()
A.15mm
B.25mm
C.45mm
D.35mm
E.55mm
参考答案:D
Visitors were at the pictures that the guide showed.
A.amazed; amazing
B.amazed, amazed
C.amazing, amazing
D.amazing, amazed
与幽门螺杆菌有关的疾病是()
A.胃癌
B.伤寒
C.十二指肠溃疡
D.胃炎
E.痢疾