A:条形统计图能清楚地反映出各项目的具体数量
B:折线统计图能清楚地反映事物的变化情况
C:扇形统计图能清楚地表示出各个部分在总体中所占的百分比
D:统计图只有以上三种
如图所示,电灯发光的条件是( )
My teacher usually _________ a pair of glasses.
亚洲气候复杂多样的根本原因是( )
He had been struggling for many years and finally ________ his fantasies.