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问题 单项选择题 案例分析题

如果左、右手电极反接记录心电图。

记录的aVR导联心电图相当于实际心电图的（）。

A.Ⅱ导联

B.Ⅲ导联

C.Ⅰ导联

D.aVL导联

E.aVF导联

答案

参考答案：D

填空题

根据句意和首字母提示完成句子。

1.  My aunt is an English t_____.

2.  I think s_____ is difficult for me.

3.  What's your f_____ food?

4.  He is t_____ after school. He wants to have a rest (休息).

5.  What s_____ do you have at school?

6.  I don't like math because it's b_____ .

7. —What's your mother's favorite c_____?

     —It's Shanghai.

8.  He likes running a _____ with me.

9.  We don't have math on Tuesday and F_____.

10. N_____ Sunday is my birthday.
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多项选择题

ACARS地面台的功用是（）.

A.接收视距范围内的飞机ACARS数据

B.与ACARS控制中心交换数据

C.直接与超视距飞机进行数据交换

D.向视距范围内的飞机发送ACARS数据
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