肩胛下角水平对应()
A.第5颈椎棘突
B.第6颈椎棘突
C.第7颈椎棘突
D.第7胸椎棘突
E.第8胸椎棘突
参考答案:D
— Excuse me, could you tell me where I could make a call?
— Sorry, I’m a stranger here.
— ____.
A.Thanks a lot
B.That’s a pity
C.Thanks anyway
D.I’m sorry to hear that
一列火车3小时行312千米,一辆汽车5小时行260千米.火车的速度是汽车的多少倍?