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搜题
【单选题】
我国冠心病下列易患因素中 最重要的 是A.
高血压
B.
高血脂
C.
吸烟
D.
糖尿病
E.
遗传因素
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皮皮学刷刷变学霸
举一反三
【多选题】When a passenger cannot get out of the station, what should a station officer do?
A.
A station officer should approach him and inquire him that if he has already bought a ticket.
B.
A station officer should ask the passenger to buy a new ticket if he cannot find his ticket.
C.
A station officer should explain the subway company regulation to the passenger.
D.
A station officer should remind the passenger to take care of his ticket next trip.
【多选题】Choose the options which are right about a station officer?
A.
As a station officer, he or she should be familiar with every station and surroundings areas near the subway lines.
B.
It's ok for a station officer to give basic directions with short sentences like Take line 2 and get off right at the station.
C.
It's ok for a station officer to speak slowly and spell out word if necessary when giving directions.
D.
Sometimes it's helpful to draw a simple map for the passenger.
【单选题】在编辑Word文档时,如果用户出现了误操作消除这一识误操作的最佳方法是__________
A.
单击工具栏上的“撤销”按钮恢复原内容
B.
重新进行正确的操作
C.
单击“工具”菜单中的修定命令以恢复内容
D.
无法挽回
【简答题】某银行为缩短顾客到银行办理业务的等待时间,准备采用两种排队方式进行试验。一种是所有顾客都进入一个等待队列;另一种是顾客在三个业务窗口处列队3排等待。为比较哪种排队方式使顾客等待的时间更短,两种排队方式各随机抽取9名顾客,得到第一种排队方式的平均等待时间为7.2分钟,标准差为1.97分钟,第二种排队方式的等待时间(单位:分钟)如下: 5.5 6.6 6.7 6.8 7...
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