下列不属于聚合工艺安全控制的基本要求的是（）
A、紧急切断系统
B、反应釜温度和压力的报警和连锁
C、液位监控
参考答案：C
Jim has been looking for his dictionary for almost an hour,and Tracy forgot to tell him that David________it ________2 hours ago.[ ]
A. took; away
B. took; in
C. took; over
D. took; on
下面哪两个是餐馆的业务流程。（）
A.餐馆经理雇佣了五个服务员
B.Food critic在报纸上发表有关餐馆的专栏
C.银行柜员机将现金提供给顾客购买午餐
D.服务员拿来菜单，下单，上菜
E.服务员业余在外打工
