高压电缆纸包用纸的含水量必须控制在()%之间。
A.2~3
B.5~6
C.7~8
D.10~12
参考答案:A
__________ that she didn’t do a good job, I don’t think I am abler than her.
A.To have said
B.Having said
C.To say
D.Saying
腹部平片,对下列状况诊断价值最低的是
A.尿路结石
B.肾结核
C.肾萎缩
D.膀胱肿瘤
E.了解节育环位置