下列说法错误的是[ ]
A.电视机的遥控器发出的是红外线
B.过量的紫外线照射对人体有害
C.海市蜃楼是一种由光的折射产生的现象
D.医院和食品店常用红外线消毒
答案:D
特发性失神发作首选
A.丙戊酸钠
B.卡马西平
C.乙琥胺
D.苯妥英钠
E.苯巴比妥
―Kate, could you come to my party on Saturday evening?
―_____. [ ]
A. Yes, I'd love to
B. Oh, really? I think that sounds fun
C. I'm sorry I'm late
D. Yes. But first you have to clean your room