(2013)波长为λ的单色光垂直照射在折射率为n的劈尖薄膜上,在由反射光形成的干涉条纹中,第五级明条纹与第三级明条纹所对应的薄膜厚度差为:()
A.
B.
C.
D.
参考答案:B
休克早期微循环变化下列错误的是:()
A.大量儿茶酚胺释放入血
B.肾素-血管紧张素分泌增加
C.毛细血管前括约肌收缩
D.毛细血管后括约肌收缩
E.动静脉短路开放
I don't mind _ the window. It is hot in the room. [ ]
A. to open
B. opened
C. opening
D. to opening