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【简答题】
Mr. White works in an office. He’s able and can easily deal with all kinds of matters.    60   . Of course he’s often busy and has no time to do the housework. His wife does all at home. Last Friday, their daughter was hurt in a traffic accident and had to be in hospital. Mrs. White had to look after her there and she couldn’t go home to take care of the house and her husband. When Mr. White was at home alone, he never cooked meals.    61   . Yesterday morning, before Mr. White got up, the telephone rang.    62   . His friend told him to write down an important telephone number. But he could find neither a pen nor a piece of paper. At this moment, he found there was much dust (灰尘) on the table and he wrote the number on it with his forefinger (食指).    63   . In the afternoon, his wife came back to look for a sweater for her daughter. When Mr. White returned from work and saw his wife cleaning the table,  he rushed to her while shouting, “Stop!” But it was too late! A. He sat up to answer it B. But soon he forgot it and went to work C. She worked hard and made much money D. And he never cleaned up the rooms, either E. So he’s always paid more than his workmates
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参考答案:
举一反三
【判断题】ISO/IEC14443 标准中TYPE B规定逻辑状态的转换用副载波相移 来表示 。
A.
正确
B.
错误
【单选题】黑素细胞起源于:( )
A.
基底层细胞
B.
朗格汉斯细胞
C.
未定类细胞
D.
外胚层神经节
E.
外胚层神经嵴
【单选题】在ISO/IEC 14443 TYPE B标准中,只能采用()的方式进行解调
A.
非相干解调
B.
相干解调
C.
单稳态触发器解调
D.
副载波解调
【多选题】导致政府失灵的原因通常包括
A.
信息不足
B.
权力滥用
C.
腐败寻租
D.
体制不健
【判断题】ISO/IEC14443 标准中的TYPE A的副载波调制就是将副载波信号和曼彻斯特码相乘。
A.
正确
B.
错误
【简答题】ISO/IEC14443 标准中TYPE A中面向比特的防碰撞帧被分为两部分,第一部分从( )发送给( )、第二部分从( )向( )发送。
【单选题】ISO/IEC14443-4 标准 TYPE B 型中 PCB 域定义的基本类型不包含( )。
A.
信息分组
B.
发送信息
C.
接收信息
D.
管理分组
【简答题】在不同的RFID技术标准中,碰撞检测的方法也不同,其中ISO/IEC 14443标准中的TYPE A,采用了_____检测技术。
【判断题】ISO/IEC14443 标准的TYPE A中SAK命令b3=1,表示UID已经完整。
A.
正确
B.
错误
【单选题】ISO/IEC14443 标准中TYPE A协议中PICC的状态不包含( )。
A.
断电状态
B.
休闲状态
C.
等待状态
D.
激活状态
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