正比例函数y=﹣k2x(k≠0),下列结论正确的是( )
A:y>0
B:y随x的增大而增大
C:y<0
D:y随x的增大而减小
我会填
①吁:共____画,音序是____。
②惯:共____笔,第五画是____。
Jim records his physical training every time so that he can________it and think about how he should improve it the next day.