白血病患者口腔护理的主要目的是
A．使病人舒适
B．去除口腔异味
C．擦除血痂
D．增进食欲
E．预防感染
参考答案：E
7岁男孩，发作性发呆、凝视，无摔倒，脑电图示全脑3Hz棘-慢复合波，其首选抗癫痫药物是（）
A.丙戊酸钠
B.卡马西平
C.苯巴比妥
D.地西泮
E.托吡酯
I had known about his coming, I would have met him at the station.
