(____) He is making a birthday card.
(____) He's in his room.
(____) When is Jack's birthday?
(____) Where's Jim?
(____) Who is he making it for?
(____) What is he doing?
(____) Tomorrow.
(____) He is making it for his friend,Jack.
如图,将正在发出声音的音叉放入水中,能观察到音叉周围溅起许多水花.这说明( )
抛掷甲、乙两颗骰子,若事件A:“甲骰子的点数大于4”;事件B:“甲、乙两骰子的点数之和等于7”,则P(B|A)的值等于 ( )
①礼仪规范与社会政治、经济、文化相适应 ②对传统礼仪要取其精华、去其糟粕
③要与时俱进,理解和接纳礼仪的变化 ④要时移礼易,淡化礼仪
濒临亚洲的大洋,按逆时针方向依次是( )