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【单选题】
9个月的小儿，因哭闹、拒食就诊。体格检查：体温38.0℃，见口腔内溃疡，覆以黄白色膜状物，围绕以红晕。可能诊断为（）A.
单纯性口腔炎
B.
疱疹性口腔炎
C.
溃疡性口腔炎
D.
齿龈炎
E.
鹅口疮
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皮皮学刷刷变学霸
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【简答题】输入一个n(1
【单选题】In the long run, a rise in a country's price level (relative to the foreign price level) causes its currency to _________, while a rise in the country's relative productivity causes its currency to __...
A.
appreciate; appreciate.
B.
appreciate; depreciate.
C.
depreciate; appreciate.
D.
depreciate; depreciate.
【简答题】PHR. become higher in price, level, etc; rise
【单选题】When the money market is drawn with the value of money on the vertical axis, if the price level is above the equilibrium level, there is an
A.
excess demand for money, so the price level will rise.
B.
excess demand for money, so the price level will fall.
C.
excess supply of money, so the price level will rise.
D.
excess supply of money, so the price level will fall.
【单选题】A rise in the price level causes the demand for money to _________ and the demand curve to shift to the _________
A.
decrease; right.
B.
decrease; left.
C.
increase; right.
D.
increase; left.
【多选题】下面有关虚电路和数据报的特性,正确的说法是: ( )。
A.
虚电路和数据报分别为面向连接和面向无连接的服务
B.
数据报在网络中沿用一条路径传输,并且按发出顺序到达
C.
虚电路在建立连接之后,分组中只需要携带连接标识
D.
虚电路中的分组到达顺序可能与发出顺序不同
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【简答题】输入一个n(1