【单选题】The nurse has kept the thermometer in the patient’s mouth for ________
D.
more than three minutes.
【单选题】Choose the most appropriate translation for the following sentence "The wind got up and the thermometer read lower quickly."
【简答题】Hector
reads the thermometer.A. a B. b C. c D. d
【多选题】关于带传动,下列说法正确的是( )
C.
打滑是带传动的一种主要失效形式,是可以避免的
D.
摩擦型带传动利用带与带轮接触面间产生的摩擦力传递运动和动力
【单选题】The mercury in the thermometer is______ to changes in temperature.