风湿病心脏受累时,马氏斑常见于何处
A.右房前壁
B.左房后壁
C.右房后壁
D.左房前壁
E.左室后壁
参考答案:B
In his opinion, the objection to barbarity does not mean that capital punishment should not go on.
A. adversity B. savagery C. habitat D. integrity
公路运价的形成依据是什么?