程序因受干扰而出现死循环时，可以用程序监视技术来监测，并使程序脱离死循环，这就是（）技术。 ["A.软件陷阱","B.指令冗余","C.看门狗","D.模糊控制"]
品牌客户管理中客户经理进行签约预申请手动查询方式有哪几种？（） ["客户号","证件类型+证件号码","客户姓名","卡号","以上均不是"]
如果你想使用古菌作为宿主细胞表达外源基因，那么你需要使用抗生素抗性标记以便进行筛选。你认为适合作为古菌抗性标记的抗生素应该是（） ["青霉素","氯霉素","四环素","嘌呤霉素"]
An orifice-check valve placed in a hydraulic system is used to（） ["regulate the fluid flow in either direction","restrict movement of hydraulic fluid in one direction, but allow free movement in the other direction","allow free movement of hydraulic fluid in both directions","allow a restricted fluid flow in one direction only"]
BMW的驻车制动器一般采用的形式为（） ["领从蹄式","双向双领蹄式","单向自增力式","双向自增力式"]
配电网线路一般出现哪些情况需要立即停电？
