题目内容

属于大动脉正常关系的是：

A. 主动脉在前，肺动脉在后
B. 主动脉在后，肺动脉在前
C. 主动脉在左前，肺动脉在右后
D. 主动脉在右后，肺动脉在左前
E. 主动脉在右前，肺动脉在左后

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不符合肺充血改变的是：

A. 肺纹理增粗、增多，边缘清楚
B. 肺动脉段突出
C. 肺野透光度正常
D. 上肺静脉扩张，下肺静脉不扩张
E. 透视下肺动脉搏动增强

1. Internet has become a need & a must in our study and work, and has changed theearth intoa small village.

A. 对
B. 错

2. We can buy almost everything through mail order.

A. 对
B. 错

3. Viruses can be written into the program and files, and can destroy the infected computers.

A. 对
B. 错