肺血栓栓塞症心脏听诊时可能出现的体征是()
A.舒张期连续性杂音
B.心尖区的收缩期杂音
C.心包摩擦音
D.肺动脉瓣区第二心音亢进或分裂
E.开瓣音
参考答案:D
It was nothing but 10 years of hard work that _______his success in business. [ ]
A. led to
B. turned to
C. belonged to
D. replied to
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