无需对比剂可进行血管成像的检查有()
A、DSA
B、CT
C、Ce-MRA
D、CTA
E、PC法MRA
参考答案:E
The boys arguing over whether to play baseball or football finally ___ by voting. [ ]
A. reached goals
B. came to terms
C. came to an end
D. gave up
在ZXDU3000开局的时候,整流器应该正确设置(),否则整流器与集中监控单元将无法通讯。
A、限流点
B、模块地址
C、浮冲电压
D、均充电压