下列哪几种疾病不会引起慢性心瓣膜病()
A.风湿病
B.高血压
C.急性细菌性心内膜炎
D.亚急性细菌性心内膜炎
E.动脉粥样硬化
参考答案:B, E
He was too excited _________. [ ]
A. speak
B. to speak
C. not to speak
D. speaking