临时木工房、油漆间和机具等每（）配备一只种类合适的灭火器。
A.15m2
B.20m2
C.25m2
D.30m2
参考答案：C
A computer network links computers together to allow users to share hardware, software, and (73)
A．resource
B．file
C．information
D．data
急性盆腔炎的常见病因是（）
A.气滞血瘀
B.寒湿瘀滞
C.湿热瘀结
D.气虚血瘀
E.肝经湿热
