阴囊的常见病变不包括（）
A.阴囊湿疹
B.精索静脉曲张
C.阴囊水肿
D.阴囊象皮肿
E.阴囊疝
参考答案：B
He was unhappy when he sold his guitar. After all, he ______ it for a long time..
A．had had
B．has had
C．has
D．had
冠状动脉造影所途经部位有（）
A.主动脉根部
B.桡动脉
C.股动脉
D.肱动脉
E.左、右冠状动脉口
