有明显胆汁反流的慢性胃炎者,首选的治疗药物是()。
A.糖皮质激素
B.多潘立酮
C.硫糖铝
D.替硝唑
E.苯妥拉明
参考答案:B
----Is this the first time you _____Chengdu ?
----No. But the first time I _____here, the city wasn't so beautiful.
A.visited, came
B.visited, have come
C.have visited, have come
D.have visited, came
当事人互负债务的标的物种类不相同的,经双方协商一致也不可以抵销。( )