单选题
初级
2014-02-27
It will cost you more if you pay by cheque.
A．Right
B．Wrong
C．Doesn't say
参考答案
A
答案解析
文中提到“scheduled visitors and of several unexpected incidents”，所以他们要处理安排好的和突发的事件。
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A．Right
B．Wrong
C．Doesn't say