血液透析器的复用次数是多少？_爱下问搜题

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问题问答题简答题

血液透析器的复用次数是多少？

答案

参考答案：

采用半自动复用程序，低通量血液透析器复用次数应不超过5次，高通量血液透析器复用次数不超过10次。

采用自动复用程序，低通量血液透析器推荐复用次数不超过10次，高通量血液透析器推荐复用次数不超过20次。

完形填空

完形填空。

     Now more and -more students have their own cellphones.  Do you have
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cellphones.
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prize, don't believe it. When someone you don't know calls you and asks you to go out, don't go.
     If you don't know how t0    6    these problems, ask your parents for help. Let them know who your friends are, and when and where you use your
phone.    7      your parents' help, you won't have to worry about    8
unwanted(不需要) 'calls or messages.
     Some kids   9    a lot of time playing games and sending messages. They     10    do it in class.  It's a waste of time and it's bad for your learning.
Studies are always important. Turn off your cellphone and put it in your
schoolbag before class. Don't play with it in class.

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单项选择题

YZH4-7CA表示为（）。

A.光源总功率为4kW，升降高度为7m，交流电源供电A型车载式消防移动式照明装置

B.有回转、俯仰功能，光源总功率为4kW，升降高度为7m，交流电源供电A型车载式消防移动式照明装置

C.光源总功率为4W，升降高度为7m，交流电源供电A型车载式消防移动式照明装置

D.有回转、俯仰功能，光源总功率为4kW，升降高度为7m，交流电源供电C型车载式消防移动式照明装置