SinceJanedidnotknowaforeignlanguage,shewas______bythemenuatthenationalrestaurant. A: puzzling B: pulsed C: bewildered D: frustrated

5. He was paralyzed ______ the pain of the wound, which pulsed in time to his heartbeat.

______ all other oscillator transfer techniques, the phase-locked mode cannot be used for pulsed inputs.

中国大学MOOC: to all other oscillator transfer techniques（和其它所有振荡器转换技术一样）, the phase-locked mode cannot be used for pulsed inputs.