答案：A
He wants to be a policeman _____ it's an exciting job.[ ]
A. so
B. but
C. because
D. and
骨盆入口前后径与横径几乎相等，中骨盆狭小是（）。
A.妇女型骨盆
B.男子型骨盆
C.类人猿型骨盆
D.扁平骨盆
E.均小骨盆
