A:remind
B:rid
C:respect
D:convince
关于x的一元二次方程ax2+bx+14=0有两个相等的实数根,写出一组满足条件的实数a,b的值:a=____,b=____ .
— Tom just told me a new way he had thought of new words.
— It's great. What do you think of it?
生活中有哪些交友的艺术?
若|x﹣2|+(3y+2)2=0,则xy的值是( )