—____________
—I'd like to buy a present for my father.
A:What are you doing?
B:What can I do for you?
C:What do you want to be?
D:What do you do?
下列运算正确的是( )
有几名同学为了装酷扮靓,竟然使用暴力向弱小的同学收取“保护费”,最终受到法律的制裁。下列对此认识不正确的是( )
下图为某时间某区域海平面等压线分布图(单位:hPa),此时,甲、乙、丙、丁四地中只有一地为雨天。读图,完成下列问题。