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【简答题】
Translate the following paragraph into Chinese Taobao is the largest and main online shopping market in China. With thousands of sellers and millions of items ranging on sale, it's an ideal place to look for best deals on the Internet. It provides varieties of items from clothing, electronics, household products, sporting goods to other thousands of retail categories. Taobao shops are continuously offering very competitive products, with increasing quality, services and low prices. These advantages make Taobao the greatest place to shop online.
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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
【单选题】化脓性感染形成脓肿后,外科治疗的基本原则是 ( )
A.
立即切开引流
B.
配合局部物理治疗
C.
加大局部抗生素用量
D.
加用肾上腺皮质激素
E.
全身应用广谱抗生素
【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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