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据统计,2014年全国居民新增财产性收入40%来自房地产,17%来自银行理财,16%来自存款,12%来自股票,其他来自信托、基金、保险等。对该经济现象的正确解读是() ①体现按生产要素分配 ②居民投资风险不断降低 ③再分配更加注重公平 ④居民财产配置趋向多元

A. ①②
B. ①④
C. ②③
D. ③④

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每条河流或一条河流的不同类型河段,其航行条件和引航方法虽有特殊性,但在引航原理上也有共性,即存在共同的引船要领,所谓引航要领系指()。①对航行条件进行准确分析②对航路、船位、转向点、吊向点等引航要领要素的正确分析③采取正确的避让方法

A. ①②
B. ②③
C. ①③
D. ①②③

患者男,64岁,因“反复咳嗽、咳痰18年,活动后气促7年,间断下肢水肿1年,加重伴心悸、喘息2周”来诊。吸烟史30年。查体:口唇发绀,颈静脉怒张;桶状胸,双肺呼吸音低,散在干性啰音,双下肺可闻及湿性啰音;肝肋下2cm。提示右心功能不全的体征为()。

A. 叩诊心界缩小
B. 双肺散在干、湿性啰音
C. 剑突下心音强于心尖部
D. 心房颤动
E. 颈静脉怒张
F. 水冲脉

When troubleshooting a network, the output of the command show interfaces indicates a large number of runts. What is a runt?()

A. the number of packets that are discarded because they exceed the maximum packet size of the medium
B. errors created when the CRC generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
C. the number of packets that are discarded because they are smaller than the minimum packet size of the medium
D. the number of received packets that were ignored by the interface because the interface hardware ran low on internal buffers
E. the number of times that the interface requested another interface within the router to slow dow

B737-300机身分为()

A. 一段,即41段
B. 两段,即41段和46段
C. 三段,即41段、43段和46段
D. 四段,即41段、43段、46段和48段

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