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单选题
()的“学名”是PAS(Personal Access phone System),它是一种新型的市话服务网络,它以无线的方式接入市话服务网络,既能享用市话的所有功能,又具备移动性。其最大的优点是绿色环保,话机的发射功率仅为10毫瓦,是GSM手机的百分之一,比无绳电话的发射功率(30毫瓦以上)还小,对人体几乎没有任何伤害,完全是一种“绿色”的通讯工具。
A
大哥大
B
大灵通
C
小灵通
D
PDA
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更多 “单选题()的“学名”是PAS(Personal Access phone System),它是一种新型的市话服务网络,它以无线的方式接入市话服务网络,既能享用市话的所有功能,又具备移动性。其最大的优点是绿色环保,话机的发射功率仅为10毫瓦,是GSM手机的百分之一,比无绳电话的发射功率(30毫瓦以上)还小,对人体几乎没有任何伤害,完全是一种“绿色”的通讯工具。A 大哥大B 大灵通C 小灵通D PDA” 相关考题
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Teenagers should never give any strangers ______.A. their mobile phone numbersB. their family addressC. their personal informationD. their parents’ names
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()又名无线市话PAS(PersonalAccessPhoneSystem),是一种新型的个人无线接入系统,它采用先进()技术,将市话传输交换与无线接入技术有机结合在一起,利用市话的交换传输资源,以无线方式提供给一定范围内具备移动漫游性能的个人通信终端.简言之,“小灵通”就是通过一定的技术手段,将原来只能固定使用的电话改变成为随身携带和移动使用的无线电话。
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A customer has a question about the repairs needed for their desktop computer. While asking their question to a technician, the technician receives a personal phone call on their cell phone. Which of the following should the technician do NEXT?()A、Ask the customer to wait and answer the phone call.B、Talk on the phone while listening to the customer.C、Hand the phone to a coworker to answer the call.D、Silence the phone and then listen to the customer.
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