My day
I get up at seven o'clock.
I have breakfast at ____.
I ____ at ____.
已知函数f(x)=lnx+2x,则不等式f(x2﹣3)<2的解集为____ .
电工师傅在修理电器时,急需一只阻值为8Ω的电阻,但手边只有阻值为2Ω、5Ω、10Ω、40Ω的电阻各一只,能帮助他解决这一问题的做法是( )
高温__