与慢性胃炎和消化性溃疡有密切关系的病原菌为（）
A.空肠弯曲菌
B.幽门螺杆菌
C.胎儿弯曲菌
D.鼠伤寒沙门菌
E.副溶血性弧菌
参考答案：B
Look! Some oranges ______ on the table and there ______ some orange in the bottle. [ ]
A. is; is
B. is; are
C. are; are
D. are; is
品德
