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问题 单项选择题

甲于1972年将房屋出典给乙，典价5000元，典期20年。1992年典期届满，甲以5000元向乙回赎，乙主张甲必须以该房现价3万元回赎。依照有关法律规定，甲应按照哪一价款回赎典物

A．5000元

B．3万元

C．1.25万元

D．1.5万元

答案

参考答案：A

解析：回赎只需出典人支付原典价即可。

单项选择题 A1/A2型题

患者男，68岁。查体：心底部有舒张期哈气样杂音，以胸骨右缘第2肋间最晌.第二心音亢进，血压170/90mmHg。胸片示主动脉增宽，扭曲，心影靴形。最可能的诊断是（）

A.风湿性主动脉瓣关闭不全

B.先天性心脏病，二叶式主动脉瓣

C.主动脉粥样硬化，主动脉瓣关闭不全

D.肺动脉高压，相对肺动脉瓣关闭不全

E.高血压性心脏病
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单项选择题

Most IP layer-based proxy mechanisms, such as network address translation (NAT), only support uni-directional proxy, from the internal network to external network (the Internet). The proxy establishes the communication channel by (86) IP addresses. The IP addresses must be (87) . These proxy mechanisms prevent applications that must establish return data channels from establishing their data channels, such as, multimedia applications. IP layer-based proxy mechanisms need additional software (88) for each application that uses (89) channels. SOCKS identifies communication targets through domain names, overcoming the restriction of using private IP addresses. SOCKS can use domain names to establish communication between separate LANs, with (90) IP addresses.

A．groups

B．blocks

C．models

D．modules
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