在采区安全出口路线上的避难硐室，距人员集中的工作地点应不超过（）m，其大小应能容纳采区全体人员。
参考答案：500
Come and _____ the great clothes for yourself. [ ]
A. have look
B. have a look
C. have look at
D. have a look at
Passage 2
