— I feel and sleepy.
— Why not to have a rest?
A:tired; stop
B:tired; to stop
C:tiring; stopping
D:tiring; stopped
下图是某兴趣小组绘制的反映气旋和反气旋的水平与垂直方向气流运动示意图。读图回答问题。
铝的元素符号是( )