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【单选题】
一般术后多少小时内胃管内引流出咖啡色液100-300ml,提示术后出血。A.
12小时
B.
24小时
C.
36小时
D.
72小时
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反馈参考答案：
举一反三
【单选题】使用成本分析模式确定现金持有量规模时，在最佳现金持有量下，现金的（ ）。
A.
机会成本与短缺成本相等
B.
机会成本等于管理成本与短缺成本之和
C.
短缺成本等于机会成本与管理成本之和
D.
机会成本与管理成本相等
【简答题】追求产品的追求产品的使用价值属于_____心理。
【简答题】100箱啤酒,从酒厂运至市区___. 10公斤黄金,从昆明运至哈尔滨___. 5万吨铁矿石,从澳大利亚运至上海____. 5万吨煤,从大同运至秦皇岛____. 1万吨棉花,从武汉运至上海____.
【简答题】This conclusion is also suggested by the fact that people who live in close contact with each other, but who are not related at all are likely to have similar degree of intelce. (Passage One)
【单选题】Which one of the following is NOT a way for a country to defend its fixed exchange rate?
A.
Promote real appreciation of the country’s currency
B.
Intervene in the foreign exchange market
C.
Alter domestic interest rates
D.
Impose some form of exchange control
【单选题】Melissa has an income of $240 a month to spend on tennis lessons and concert tickets. The price of a tennis lesson is $20, and the price of a concert ticket is $40. Melissa's real monthly income in te...
A.
40.
B.
20.
C.
6.
D.
12.
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