【单选题】The author thinks that pull factors ______.
A.
are all related to economic considerations
B.
are not as decisive as push factors
C.
include a range of considerations
D.
are more important than push factors
【判断题】城轨车辆的动力转向架,不论是采用直流牵引电机还是交流牵引电机,均需通过机械减速装置才能将电机的扭矩转化为轮对转矩。( )
【判断题】城轨车辆的动力转向架,不论是采用直流牵引电机还是交流牵引电机,均需通过机械减速装置才能将电机的扭矩转化为轮对转矩。( )
【简答题】李某,女,66岁,黎明之前脐腹作痛,肠鸣即泻,完谷不化,泻后则安,腹部喜温,形寒肢冷,腰膝酸软。 舌淡,苔白,脉沉细。 请回答病名、证型、病机分析、治法及方药
【单选题】The writer thinks that we can't judge ______.
A.
buildings by the ancient standards
B.
all the buildings by the ancient standards
C.
all the modern buildings by the ancient standards
【单选题】《马伶传》中描写第一次技艺较量马伶大败,对第二次技艺较量马伶大胜所起的作用是