The wavelength ____ which the eye is most sensitive is 5.5×10-5 cm.
举一反三
- 适合电除尘的粉尘比电阻的范围是（）Ω·CM。 A: 10-10 B: 10-5*10 C: 10-5*10 D: 10-10
- 如果线段d是线段a、b、c的第四比例项，其中a =2 cm,b =4 cm,c =5 cm,则d =_____________cm.
- 未妊娠时子宫的大小长____cm,宽____cm,厚____cm.
- 假设银行的准备金率是10%，公众的提现率是10%，那么存款扩张倍数和货币乘数分别是()。 A: 10和5 B: 5和5.5 C: 5.5和5 D: 5.5和10
- 中国大学MOOC: What does “that inward eye”?mean in these two lines “They flash upon that inward eye/Which is the bliss of solitude”? (Week 5)