心尖区闻及隆隆样舒张期杂音，应考虑为（）
A.二尖瓣关闭不全
B.主动脉瓣关闭不全
C.二尖瓣狭窄
D.肺动脉瓣狭窄
E.三尖瓣狭窄
参考答案：C
Ping Pong is popular among China, _____ both young and old can _____. [ ]
A. about it; take part in
B. in it; take part
C. in which; take part in
D. in which; take part
关于肥胖症下列说法不正确的是（）
A.体内脂肪堆积过多和（或）分布异常
B.见于任何年龄，女性较多见
C.与多种疾病密切相关
D.与棕色脂肪组织功能异常有关
E.亚洲成年人体重指数≥28为肥胖
