A.始點(diǎn) B.節(jié)點(diǎn) C.終點(diǎn)
A.收聽(tīng)音樂(lè) B.睡眠 C.進(jìn)行深呼吸
A.眼睛發(fā)澀 B.心跳加快 C.渾身發(fā)顫