下列症状属于嗜铬细胞瘤的表现的是()
A.全身发热或四肢发凉
B.低血压
C.心动过速或心率缓慢
D.高血压
E.腹痛
参考答案:A, B, C, D, E
We would like to drop in at your house if ___________
A.you are convenient
B.it is convenient of you
C.it is convenient to you
D.you will be convenient
小于()的房间隔缺损多在()内自然闭合,大于()的房间隔缺损一般不会自然闭合。