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【单选题】
目前许多外部设备(如数码相机、打印机、扫描仪等)都采用USB接口,下面关于USB的叙述中,错误的是___A.
3.0版的USB接口数据传输速度要比2.0版快得多
B.
利用"USB集线器，一个USB接口能连接多个设备
C.
USB属于一种串行接口
D.
主机不能通过USB连接器引脚向外设供电
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【单选题】Hoe will th new high-speed train affect the man?
A.
He can take the train to the old part of the city.
B.
He can save a lot of money when he takes the train.
C.
He can save 20 minutes to go to work with the train.
D.
He can take the train to the airport instead of driving.
【简答题】已知L是带表头结点的非空单链表，且P结点既不是首元结点，也不是尾元结点，试从下列提供的答案中选择合适的语句序列。 (1)删除P结点的语句序列是______； (2)删除尾元结点的语句是______。 a P—＞next=P—＞next—＞next b P=P—＞next—＞next c while(P—＞next!=Q)P=P—＞next d while(P—＞next!—＞next!=Q)P=P...
【单选题】___ the morning of September 8 th , many visitors arrived ___ the train station for a tour.
A.
In ; to
B.
On; to
C.
In; in
D.
On; at
【简答题】我国现在存最早的兵书是:
【简答题】All of the ______ (train) in this program will receive one year of classroom instruction.
【简答题】Work individually, in pairs or in groups and upload your audio file. Tell about the best teacher you had at school. Talk about these and other things in 2 minutes: • who the teacher was • what class y...
【简答题】已知 L 是带头结点的非空单链表,且 P 结点既不是首元结点,也不是尾元结点,试写出: 在表首插入 S 结点的语句序列。 ;
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