引发冠心病的最重要危险因素是（）
A.高血脂
B.高龄
C.高血糖
D.高体重
E.大量饮酒
参考答案：A
解析：高血脂是引发冠心病的最重要危险因素。
.________ the report, I handed it to John, but he said that George was the person to send it to.
A．Being finished
B．Having finished
C．Finishing
D．To have finished
侵蚀性葡萄胎与良性葡萄胎不同之处是它的水泡状绒毛侵入子宫____层。
