Summer holiday is coming, Li Lei with his father_____to go to Shanghai.[ ]

A. want

B. will want

C. wants

当颈部后屈，会厌上凹变得狭小，残留食物可被挤出，反复进行几次形似点头的动作，同时做空吞咽动作，便可除去残留食物，称为（）。

A.空吞咽

B.交互吞咽

C.侧方吞咽

D.点头样吞咽

E.声门闭锁训练