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【单选题】
水利工程档案的保管期限分为永久、长期、短期三种。长期档案的实际保存期限，不得短于( )。A.
工程的设计寿命
B.
工程的实际寿命
C.
工程的期望寿命
D.
工程的预期寿命
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反馈参考答案：
举一反三
【单选题】抗利尿激素的主要生理作用是
A.
使肾血管收缩、血流量减少
B.
保Na⁺排K⁺
C.
增强远曲小管和集合管对水的通透性
D.
保K⁺排Na⁺
E.
抑制髓袢对NaCl的重吸收
【简答题】A ten-year-old teacher How young can a teacher be? A teacher can be any age. Just ask Chrissie Mckenney. She was only 10 when she started teaching. Ｈow did Chrissie get the job It was not easy. Chris...
【简答题】练习1:某商业物业同类型物业的租金为100元/m 2 .相应的经营成本为毛租金收入的50%,空置损失为10%,税金为利润的5%,净利润为多少?回报率为多少?
【简答题】阅读理解。 A ten-year-old Teacher How young can a teacher be? A teacher can be any age. Just ask Chrissie Mckenney. She was only 10 when she started teaching. How did Chrissie get the job? It was not easy....
【简答题】A．A teacher must be judged by people from other professions B．A teacher must be judged by his or her education C．A teacher must be judged by his or her colleagues D．A teacher must be judged by his or ...
【单选题】抗利尿激素的主要生理作用是
A.
使血管舒张，降低血压
B.
促进肾小管对K+ 重吸收
C.
降低肾远端小管和集合管对水的通透性
D.
增加肾远端小管和集合管对水的通透性
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