— Would you like to go and drink a cup of tea?
—________. I feel quite thirsty.
A:Sounds greatly
B:Sounds true
C:Sounds to be fine
D:Sounds fine
若函数f(x)=|2x-2|-b有两个零点,则实数b的取值范围是____ .
已知数列{an}满足an﹣12=an2+4,且a1=1,an>0,则an=____
- Have an ice cream. ( )
- _________