根据FIDIC《施工合同条件》的规定,承包商可以索赔工期和费用的情况是( )。
A.发现化石、硬币或有价值的文物B.竣工时间的延长C.工程变更D.业主未能提供现场
参考答案:A
男,32岁,今日中午突然呕血150ml,继而排黑便2次,共约400ml。查体:剑突下轻压痛,肝脾未触及。上消化道出血的原因可能为()
A.应激性溃疡
B.消化性溃疡
C.胃癌
D.慢性胃炎
E.食管静脉曲张破裂
To promote sales businesses are trying every means to ______ the wholesale price of their products. [ ]
A. pull down
B. put down
C. set down
D. bring down