1. [单选题]The seven segment arrangement for numerical(数字的) display on consoles, test meters and other applications can be either______.
A. UJT or BJT
B. BCD or OCD
C. JFET or IGFET
D. LED or LCD
2. [单选题]在现场抢救时，如遇患者脉搏细数、皮肤苍白，湿冷往往提示患者可能要发生()
A. 休克
B. 昏迷
C. 昏厥
