某气球内充满了一定质量的气体,当温度不变时,气球内气体的气压P(kPa)是气体体积V(m3)的反比例函数,其图象如图所示.当气球内的气压大于120kPa时,气球将爆炸.为了安全起见,气球的体积应( )
A:不小于54m3
B:小于54m3
C:不小于45m3
D:小于45m3
The weather here is different from ________ in Beijing, but the people here are as friendly as _________ in Beijing.
以x=1为解的一元一次方程可以是____ (只需填写满足条件的一个方程即可).
I don't like the story book, because there is in it.