【单选题】人血浆蛋白质的pI大多为5.6,它们在血液中的主要存在形式是( )
【单选题】Which do you like ______, the city or the country? [ ]
【单选题】—Which do you think is ________ more popular tourist place, the Forbidden city or the Great Wall? — The latter in ______ sense. [ ]
【单选题】—Do you know about the accident which happened in the center of the city? —Yes. But it was some time we realized the truth.
【单选题】泵控型舵机与阀控型舵机工作的主要差别是采用不同的方法控制()。
【单选题】泵控型舵机与阀控型舵机工作的主要差别是采用不同的方法控制 。
【单选题】Which city in England do you think may be called __________Shanghai of ________West?
【单选题】It went faster than any of its rivals. It went faster than its .
【单选题】---- Which of these digital cameras do you like best? ---- ______. They are both expensive and of little use.