组成坐骨神经的神经根是()
A.L1~L2
B.L3~L4
C.L1~S2
D.L4~S3
E.L1~L5
参考答案:D
As far as I see, ______ is no possibility ______ he will win the tennis match this time. [ ]
A. it; that
B. there; that
C. it; whether
D. there; whether
一预应力后张法采用JM型锚具的24m钢筋混凝土屋架下弦,其一根预应力钢筋的长度为( )m。
A.24
B.25
C.25.8
D.23.65