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【判断题】
任何单位和依法必须进行招标的项目,招标人自行办理招标事宜的,应当向其上级监督管理部门审批。个人不得将依法必须进行招标的项目化整为零或者以其他任何方式规避招标。
A.
正确
B.
错误
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举一反三
【单选题】三相桥式全控整流电路在负载上的波形是截取变压器二次侧( )电压波形
A.
B.
线
【单选题】单相桥式整流电容滤波电路中,当一只二极管开路,输出电压将( )。
A.
略有上升
B.
下降一半
C.
上升一半
D.
明显下降,不足一半
【判断题】受控电源与独立电源同为二端元件。
A.
正确
B.
错误
【单选题】Which of the following is NOT true according to the passage?
A.
Some people regret their choices of love partners.
B.
In some partnership or relationship, he or she tries to control the other.
C.
Through psychological adjustment and therapy, one will feel satisfied with love.
D.
Partnership is a school from which it is not easy for us to graduate.
【简答题】下列感染疾病的病原体中,抗菌药物治疗的适应证主要针对的是 抗菌药物的合理应用原则是严格掌握适应证,治疗方案应综合患者病情.病原菌及抗菌药物特点。
【简答题】插电式混合动力汽车与一般混合动力汽车有哪些差异?
【单选题】Which of the following is NOT true according to the passage?
A.
Some people regret their choices of love partners.
B.
In some partnership or relationship, be or she tries to control the other
C.
Through psychological adjustment and therapy, one will feel satisfied with love.
D.
Partnership is a school from which it is not easy for us to graduate.
【多选题】混合动力汽车有()
A.
油电混合动力汽车
B.
气电混合动力汽车
C.
油气混合动力汽车
【简答题】任务型阅读。 Should kids do chores? People find that children as young as 18 months can help with chores When parents say to those children, 'Just look at the paper,' they will pick it up. Some parents thin...
【单选题】单相桥式整流电容滤波电路中,若整流桥中一只二极管极性接反,则:
A.
电源被短路
B.
负载得到脉动全波电压
C.
电路相当于单相半波整流电路
D.
输出电压等于
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