How much ______ these new pants? [ ]
A. is
B. are
C. have
D. has
答案：B
下颌骨的标志点（）
A.Or
B.Ptm
C.Ar
D.Ans
E.A
试说明由暴雨资料推求设计洪水的目的.基本思路和方法？
