— Yes. He used to ________ the guitar, but now he is more _______ in playing soccer.
A:plays, interested
B:play, interested
C:play, interesting
D:playing, interest
如图,A为反比例函数y=kx(k不为0)上一点,连接OA,过A点作AB⊥x轴于B,若OA=5,AB=4.求该反比例函数的解析式.
﹣1÷12的运算结果是( )
下列有关物理学史的说法正确的是( )