In masculine culture, what do feedback as nodding, “Um”, “Uh huh” and “Yes” mean when listening to others?

霍尔电动势的数值表达式为()。 A: UH=KHB B: UH=KHBcosθ C: UH=KHI D: UH=KHBIcosθ

电感的单位换算正确的是（） A: 1H=1000,000uH B: 1H=1000,000，000uH C: 1mH=1000,000uH

1mH=()uH

霍尔电势UH与磁感应强度B、控制电流I、霍尔元件灵敏度KH的关系是▁▁。 A: 霍尔电势UH正比于磁感应强度B B: 霍尔电势UH正比于控制电流I C: 霍尔电势UH正比于霍尔元件灵敏度KH D: 霍尔电势UH=KHBI

逻辑变量只有0、1两种取值；在正逻辑规定中分别用（）对应表示。 A: 高电平、低电平 B: 低电平、高电平 C: UH、UL D: UL、UH

‏逻辑变量只有0、1两种取值；在正逻辑规定中分别用（ ）对应表示。​ A: 高电平、低电平 B: 低电平、高电平 C: UH、UL D: UL、UH

Pauses that are filled with “uh’s, “um’s,” etc., are called vocalized pauses, or fillers, and are unavoidedable( )

B: I thought it had something to do with the climate. The temperature ________ cooler and ________ . A: Yeah, that’s one theory. Another idea is that they ________. B: Uh-huh. And you know, there’s even a theory that they ________ from outer space.

RFID标签分为哪几种（） A: 频（L频（H高频（UH波频段（MW）