更多“空气样品采集时，用溶液吸收法主要用来采集下列哪些物质（）。”相关的问题
关于阻塞性肺气肿，哪一项描述恰当A．经积极治疗可以痊愈B．其病理改变是不可逆的C．抗胰蛋白酶增加
关于阻塞性肺气肿，哪一项描述恰当 A．经积极治疗可以痊愈 B．其病理改变是不可逆的 C．抗胰蛋白酶增加易发生肺气肿 D．仅限于肺泡弹性减退与膨胀 E．肺功能改变主要是肺活量减少
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关于肾的位置何者正确()
A.男性肾的上端距正中线的距离：左侧为4.2cm，右侧为4.0cm
B.下端距正中线的距离，左侧：5.5cm，右侧：5.7cm
C.肾的高度为左肾上端平T11上缘、下端平L3上缘
D.肾的高度为右肾上端平T11下缘、下端平L3下缘
E.肾门平L1平面，距正中线3cm
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下丘脑还可以参与（）等生命活动的调节。
下图是人体生命活动的调节示意图。请据图回答：
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下列信息属于车机联控重要信息的是（）。
A.线路不良、列车严重晃动；塌方落石或线路上有障碍物等严重危及行车安全的情况
B.机车车辆燃轴或配件脱落
C.列车火灾或货物装载不良、坠落
D.全封闭站内、区间有闲杂人员
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下列事项属于个人所得税批准类的是（）
A.退役士兵从事个体经营个人所得税优惠
B.个人无偿受赠或继承不动产个人所得税优惠
C.离婚析产分割房屋产权个人所得税优惠
D.残疾、孤老人员和烈属的所得个人所得税优惠
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试求服从克劳修斯状态方程的气体的临界参数，并证明当c=0时该方程满足对应态定律。(上列状态方程中a、b、c均为已知常数，Rg为气体常数)
A.174.24.96:6088/Latex/latex.action?latex=cD1cZnJhY3tSX2dUfXt2LWJ9LVxmcmFje2F9e1QoditjKV4yfQ%3D%3D'
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CRH1型动车组缓解停放制动后，必须在5秒内动车。
A.对 B.错
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Sanitary waste matter will .（）（1）pass through a screen or cutters（2）come into contact with the bacteria in a tank （3）be discharged，normally without bacteria.
Sanitary waste matter will .（）（1）pass through a screen or cutters（2）come into contact with the bacteria in a tank （3）be discharged，normally without bacteria.
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He made such a______contribution to the university that they are naming one of the new buildings after him.
A．generous
B．minimum
C．modest
D．genuine
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（）文法不是LL（1）的。
A.递归 B.右递归 C.2型 D.含有公共左因子
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一般开挖隧洞时，钻爆法施工的独头推进长度不能超过（ ）。A．1kmB．2kmC．10km D．20km
A.1km
B．2km
C．10km
B.20km
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一台主机上连接若干终端设备，支持多个用户同时使用的工作方式叫做______。
A.客户机—服务器
B.单用户
C.网络
D.多用户
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下列不属于天然着色剂的是（）。
A.甜菜红
B.红曲色素
C.红花黄
D.苋菜红
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Sometime in the early 1990s I was treating a woman in an intensive chemical dependency group. Let s call her 'Grace.' Grace was a flight attendant and had been suspended from her job with a major airline due to her untreated alcoholism. After the eight week program, I suggested to her it might be a good idea to solidify her foundation in recovery before returning to work as she would be working in a high - risk environment (serving alcohol, being out of town alone, etc.). Grace, however, returned to work shortly after completing treatment. One day while she was departing from a plane at the end of long day a major craving for alcohol overpowered her. There she was, in the Los Angeles International Airport pulling her roller-bag behind her when this massive craving to drink came over her. She tried to just 'think through it,' or 'just forget about it,' but it was way too powerful. It was so powerful, in fact, that she had resigned to herself that she would just go drink. On her way to the bar in the airport, Grace had a moment of sanity. She stopped, picked up the airport paging phone and said, 'Will you please page friends of Bill W.,' she paused, quickly looking around for an empty gate, 'to come to Gate 12?' Within minutes, over the paging system in the LA International Airport came, ' Will friends of Bill W. please come to Gate 12.' Most people in recovery know that asking if you are a friend of Bill W. is an anonymous way to identify yourself as a member of AA. In less than five minutes there were about fifteen people at that gate from all over the world. That brought tears of amazement, relief and joy to Grace. They had a little meeting there in that empty gate, total strangers prior to that moment. Grace discovered that two of those people had gotten out of their boarding lines and missed their flights to answer that call for help. They had remembered what they had seen on many walls of meeting rooms: 'When anyone, anywhere reaches out their hand for help, I want the hand of AA to be there and for that I am responsible.' Grace did not drink that day. I would venture to guess that none of the people who came to Gate 12 drank that day either.The author of the passage is a______.A．patientB．doctorC．flight attendantD．airline manager
A.'B.).C.,'D.'E.'F.TheG.A．patientB．doctorC．flightH.airline
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复用段保护环环上最大节点数为（）个。
A.8
B.16
C.32
D.64
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