一列火车有12节车厢,每节车厢有108个座位,这列火车大约可乘多少人?
12×108≈1200(人),
答:这列火车大约可乘1200人.
外伤性鼓膜穿孔的处理不正确的是()
A.清除外耳道内异物或血肿
B.用酒精消毒外耳道及耳廓
C.切勿用力擤鼻
D.用外耳道冲洗或滴药
E.如穿孔长期未愈合行鼓膜修补
The locker will()as long as your ship is here.
A.Be kept sealed
B.Be released from being sealed
C.Be kept signed
D.Be released from being signed