—It's hot today. Have some ________, please.
—No, thanks. I'm not thirsty at all.
A:water
B:potatoes
C:bread
D:cakes
下列各种单色光中,不属于三原色光之一的是( )
设m,n分别为一元二次方程x2+2x﹣2018=0的两个实数根,则m2+3m+n=____.