清热燥湿，泻火解毒，止血，安胎的药物是
A．四气B．五味 C．升降浮沉 D．有毒无毒 E．归经
参考答案：A
It 's unacceptable for a mother to leave her child ________to play computer games.
A alone B．lonely C．lone D．loneliness
九显一密
