Most properties now have compute

Most properties now have computerized reservation systems that ___26___ the balance between rooms ___27___ and reservation requests. The morning clerk and his or her supervisor, the guest services manager (or front office manager), monitor this process and ___28___ any special reservation requests. In a property. ___29___ does not have a computerized reservation system, they will block the day's reservation.
The computer program or programs that ___30___ the PMS (Property Management System) prompt the clerk to follow an appropriate work ___31___ for every task. For instance, when a guest checks into the hotel, the clerk indicates ___32___ the guest has a reservation or not. If the guest has a reservation, the clerk need only type in the name and the computer will ___33___ the reservation and ___34___ print out the necessary records. In most cases, the guest is simply aske to ___35___ his or her name. If the guest doesn't have a reservation, the clerk gets the necessary information, ___36___ the format on the front-desk computer screen. When the guest checks out, the computer once again presents a screen with ___37___ that will help the clerk to __38____ the appropriate sequence, verifying the ___39___ with the guest, posting any late charges and accepting ___40___ by credit card or cash or billing the account directly if prior arrangements have been made.
回答第326空
A、that
B、if
C、when
D、how
【正确答案】：B
【题目解析】：本题考查连词辨析。本句是指当客人入住酒店时,接待人员示意客人是否有预订。if在句中引导宾语从句,作“是否”讲。故选B。