下列哪一项是直疝的特点。()
A.多见于儿童及青壮年
B.经腹股沟管突出,可进阴囊
C.疝块呈椭圆或梨形,上部呈蒂柄形
D.疝囊颈在腹壁下动脉外侧
E.较易嵌顿
参考答案:D
Are you talented _____ English?[ ]
A. in
B. at
C. with
D. by
Once a decision has been made, all of us should it. [ ]
A. direct
B. stick to
C. lead to
D. refer to