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单选题
下列关于呼吸道的结构和功能的叙述错误的是（）
A
呼吸道以环状软骨为界分为上、下呼吸道
B
上呼吸道的主要功能是对吸入气体进行加温、湿化和机械阻拦
C
下呼吸道终止于呼吸性细支气管
D
气管于隆凸处分为左、右主支气管
E
黏液-纤毛运载系统和咳嗽反射均为上呼吸道的重要防御机制
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参考解析
解析：
此题考查呼吸道的结构和功能特点。上、下呼吸道的分界为环状软骨；上呼吸道主要由鼻、咽、喉构成，其生理功能主要是对吸入气体的加温、湿化和机械阻拦作用；下呼吸道起自气管，终止于终末的呼吸性细支气管；黏液-纤毛运载系统和咳嗽反射均为下呼吸道的重要防御机制。
更多 “单选题下列关于呼吸道的结构和功能的叙述错误的是（）A 呼吸道以环状软骨为界分为上、下呼吸道B 上呼吸道的主要功能是对吸入气体进行加温、湿化和机械阻拦C 下呼吸道终止于呼吸性细支气管D 气管于隆凸处分为左、右主支气管E 黏液-纤毛运载系统和咳嗽反射均为上呼吸道的重要防御机制” 相关考题
考题
单选题有关紧急避孕的说法，正确的是（）A
指妇女在避孕失败后采取的避孕方法B
为可以代替未使用任何避孕方法者，在房事后进行的避孕措施C
带铜宫内节育器可以用以紧急避孕D
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紧急避孕法可经常使用
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From the DHCP snap-in， modify the bindings to associate only LAN1 with the DHCP service. B
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From the properties of the LAN2 network connection， set the metric value to 1.
考题
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Create a new Time dimension based on the Holiday table. Use derived columns for the month and the year.B
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考题
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On Server1， run fsconfig.exe.B
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考题
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考题
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考题
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考题
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考题
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考题
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CPU Core ParkingD
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考题
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考题
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考题
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考题
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考题
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Remote Clients
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