下列那项不是病毒性心肌炎临床诊断依据:()
A.CK-MB升高,心肌肌钙蛋白阳性
B.心悸、胸闷、气短
C.心律失常
D.心功能不全
E.心脏扩大
参考答案:B
在射精后60min内,精子活力的参考范围为
A.a级精子15%以上,或a和b级精子之和≥45%
B.a级精子20%以上,或a和b级精子之和≥45%
C.a级精子20%以上,或a和b级精子之和≥50%
D.a级精子25%以上,或a和b级精子之和≥45%
E.a级精子25%以上,或a和b级精子之和≥50%
.---You seemed to have been impressed by his songs.
---Well, not exactly so. It was his way of singing____ his voice that really impressed me.
A.rather than
B.as well as
C.but also
D.together with