焊接时两接触面要求错误的是
A.紧密接触
B.可离开0.1~0.15mm
C.面状
D.表面粗糙清洁
E.点状
参考答案:E
下列哪项检查不是内分泌疾病的病因学检查()
A.针吸活检
B.激素受体、抗体的测定
C.视野测定
D.受体功能研究
E.激素或受体基因的分析
–Carla _______ go to that historical museum after school when she was a teenager.
--No wonder she is so familiar with it.
A.could
B.should
C.might
D.would