China Today attracts a worldwider readership shows that more and more people all over the world want to learn about China.
A:who
B:whom
C:that
D:which
下列各句中,划线的成语使用不恰当的一项是( )
函数y=1x与y=x的图象在同一平面直角坐标系内的交点的个数是( )