躯干骨有哪些?各有多少块?
参考答案:
躯干骨包括有椎骨,肋和胸骨:其中椎骨24块,骶骨1块,尾骨1块,肋骨12对,胸骨1块。
膀胱冲洗及滴药法的评估
________of recent political developments, he was taken by surprise upon his arrival in the capital.
A.Unexpected
B.Unacquainted
C.Unaware
D.Unknowing