氧气管道不应与导电线路(不包括氧气管道专用的导线路)敷设在同一支架上。
参考答案:对
The boss suggested to Jessica strongly that she should have a good time, but didn’t help.
A.which
B.she
C.she
D.it
教学的科学性是指教学内容要正确地反映客观世界及其运动规律,教给学生科学知识。( )