胃良性溃疡多发生于（）
A.胃小弯
B.胃后壁
C.胃大弯
D.幽门区
E.胃底
参考答案：A
解析：胃良性溃疡多发生于胃小弯。
— How much did the new watch your sister?
— She 350 yuan for it.
A．cost; paid
B．spend; cost
C．pay; cost
D．take ; paid
在金属表面涂覆油漆属于覆膜防腐法。
