问题
单项选择题
超声检查部分型心内膜垫缺损的最重要的所见是（）
A.原发孔房间隔缺损
B.室间隔缺损
C.继发孔房间隔缺损
D.二尖瓣脱垂
E.三尖瓣位置异常，上移或下移
答案
参考答案：A
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超声检查部分型心内膜垫缺损的最重要的所见是（）
A.原发孔房间隔缺损
B.室间隔缺损
C.继发孔房间隔缺损
D.二尖瓣脱垂
E.三尖瓣位置异常，上移或下移
参考答案：A
He is a 16-year-old boy. __1__name is Alan Brown. Alan is __2__ American high school student. He lives at __3__ Road. Art and music __4__ his favourite subjects. He loves studying and also loves sports. He usually goes swimming three or four times every week. And he walks after supper every _5__. Cool water and clean air always make him happy. American students are quite different from __6__. On Saturdays, he often has parties __7__ his friends and they always enjoy themselves. On Sundays, he usually __8__ at home and watches TV.
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