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问题 单项选择题

维持市场平稳健康发展，防止股市泡沫，是政府宏观调控的主要任务之一。当股市增长过快时，政府可采取的调节措施是（）。

①降低银行存贷款利率

②降低利息税

③上调股票交易印花税

④扩大基金发行规模

A.①②

B.②③

C.①④

D.③④

答案

参考答案：B

单项选择题

An internet is a combination of networks connected by (26) ．When a datagram goes from a source to a (27) ，it will probably pass many (28) until it reaches the router attached to the destination network．A router receives a (29) from a network and passes it to another network．A router is usually attached to several networks．When it receives a packet，to which network should it pass the packet The decision is based on optimization：Which of the available (30) is the optimum pathway

A．destinations

B．routers

C．packets

D．computers
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单项选择题 案例分析题

男性，45岁，因吞咽困难6个月来院就诊。体格检查未发现阳性体征。

此时，首先考虑的辅助检查是（）

A.食管拉网检查

B.食管镜检查

C.X线食管钡餐检查

D.胸部CT检查

E.胸部B型超声波
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