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问题 单项选择题

前间壁心肌梗死特征性心电图改变的导联是

A．Ⅰ、V5、aVF
B．Ⅱ、Ⅲ、aVF
C．V1、V2、V3
D．V3、V4、V5
E．V1、V2、V3、V4、V5

答案

参考答案：C

单项选择题

在供应定位模型中，处于杠杆象限的采购项目的基本特征是（）。

A.低IOR/高支出水平

B.低IOR/低支出水平

C.高IOR/低支出水平

D.高IOR/高支出水平
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连词成句

连词成句，注意标点符号

1. mother's, color, your, what, favourite, is, (?)

                                                                        

2. music, lunch, after, have, I, (.)

                                                                        

3. history, our, teacher, me, tired, very, makes, (.)

                                                                        

4. like, playing, I, dog, with, my, (.)

                                                                        

5. 8: 00, o'clock, begins, class, at, my, (.)

                                                                         

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