通过生理性刺激或药物干预以后,再进行的显像称为()。
A.动态显像
B.介入显像
C.阳性显像
D.静息显像
E.延迟显像
参考答案:B
After the boss had read my letter of application, he was ______ that I was the right person for the position.
A.informed
B.convinced
C.presented
D.suggested
工频耐压试验的关键设备有变压器、调压器、限流电阻及()。
A.过流保护装置
B.击穿指示器
C.信号装置
D.电压测量装置