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【单选题】
根据《公开地图内容表示的若干规定》，中国全图必须表示南海诸岛、钓鱼岛、等重要岛屿，并用相应的符号绘出（ ）。A.
南海诸岛归属范围线
B.
南海诸岛轮廓线
C.
南海诸岛边界线
D.
南海诸岛领海基线
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皮皮学刷刷变学霸
举一反三
【单选题】Under a system of floating exchange rates, relatively low productivity and high inflation rates in the United States result in:
A.
An increase in the demand for foreign currency, a decrease in the supply of foreign currency, and a depreciation in the dollar
B.
An increase in the demand for foreign currency, an increase in the supply of foreign currency, and an appreciation in the dollar
C.
A decrease in the demand for foreign currency, a decrease in the supply of foreign currency, and a depreciation in the dollar
D.
A decrease in the demand for foreign currency, an increase in the supply of foreign currency, and an appreciation in the dollar
【简答题】已知派生系列,是指从优先数系中每隔几项选取一个优先数所组成的新的系列,如R10/3,是指从R10的优先数系中每隔3项取出一个优先数组成的数系,当首项为1时,R10/3系列为:1.00,2.00,4.00,8.00,16.00...。那么请写出以下派生系列(列举8项,首项为1):R10/2,R5/3,R20/3
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