【简答题】听力 1. How long has the man been playing the guitar? A. About two years. B. Almost one year. C. Half a year. 2. Why didn't the man attend the party? A. He forgot about it. B. He was too busy then. C. H...
【单选题】Assume that an individual carries a mutation in muscle PKA such that the protein is refractory to high levels of cAMP. Glycogen degradation in the muscle would occur, then, under which one of the foll...