对危险物品应采取（）措施防护。
A.拆封检查
B.用软物保护/专人监控
C.放餐车内
D.放置烤箱内
参考答案：B
Amy was reading a book I came in.[ ]
A. when
B. while
C. because
D. though
平均储蓄倾向
