哪种异位心律失常属于被动心律失常()
A.早搏
B.室性逸搏
C.房颤
D.阵发性室上性心动过速
E.室速
参考答案:B
—______ the population of France?
—About fifty-nine million. [ ]
A. How many is
B. How much
C. What's
D. How many are
心理过程包括认识、()和()。