二类防雷建筑避雷带网格布置不应大于( )。
A．5m×5m
B．6m×4m
C．10m×10m
D．12m×8m
参考答案：C,D
The young man acted strangely during the interview. He made a bad________on the employer. [ ]
A. impression
B. expression
C. experience
D. opinion
风湿热诊断指标的主要表现是
A．发热
B．关节酸痛
C．肝肿大
D．皮下结节
E．手足震颤
