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【单选题】
关于非阵发性室性心动过速的描述，不正确的是
A.
是一种缓慢性室性心动过速
B.
发生的原因是由于心室内的异位节律点自律性增高
C.
心室率通常为60～130次／分
D.
多见于无器质性心脏病患者
E.
急性心肌梗死溶栓治疗时也可发生
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【单选题】听力原文：W Hi Joshua, this is May with Bluesky Airways. I'm calling about our meeting tomorrow. M Yes, it's at 2:30, isn't it? W Right. I forgot to tell you that you'll need to bring your national identif...
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【简答题】My brother and I often fight with each other over small things. One day our father said to us, “Tomorrow we will take part in the Ray Home Sports Day. Both of you must go with me. Perhaps you can lear...
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【单选题】听力原文：What time will the appointment be? (10)
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【判断题】晶体三极管电流放大的实质是以小电流去控制大电流。
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【判断题】三极管电流放大的实质是将微笑电流变化成较大的电流。
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【简答题】Read and choose. (选择恰当的句子完成对话) Joy: Hi, Bill. This is Joy. Can you go skating with me tomorrow afternoon? Bill: C I have to go home and do my chores. Joy: What chores do you have to do? Bill: 1. _____...
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【简答题】晶体三极管电流放大的实质是什么？
查看完整题目与答案