【单选题】It seems that_____ is the musical instrument used throughout the history of blues.
【单选题】By an ohmmeter ______ the instrument used to measure resistance.
【单选题】______ is the instrument used for indicating direction.
【判断题】The instrument used to measure resistance is ohmmeter.
【判断题】The tone in Kennedy’s Inaugural Address is appropriate because he uses different tones to address different groups of nations.
【判断题】两个磁铁的同极性相互吸引,异极性相互排斥。
【单选题】美国率多国部队与伊拉克之间的第一次海湾战争是在哪一年发生的?
【判断题】张三的货物被执法部门实施扣押后,经调查核实没有违法行为,张三可以直接将货物取走。()
【单选题】The instrument used by doctors to listen to patients' heart or beating is called __________.