已知∠α=40°36′,则∠α的余角为______.
∠α的余角=90°-40°36′=49°24′.
理想的诊断试验应具有绝对的()
A.临床敏感度
B.临床特异度
C.检测精密度
D.检测灵敏度
E.检测准确度
---Can I get you a cup of coffee? ---_____________.
A.That’s very nice of you
B.With pleasure
C.You can, please
D.Thank you for the coffee