【单选题】在第五肋间隙,当乳头直下,前正中线旁开4寸穴位是
【单选题】The 18th century witnessed a new literary form--the modern English novel, which is contrary to the medieval romance, gives a ______, presentation of life of the common people.
【单选题】同网状模型和层次模型相比,关系模型具有很多的特点,下列各项中( )不是关系模型所具有的特点。
【单选题】What you have done is _____ the doctor's orders.