【单选题】下列关于作者、国籍、作品组合错误的一项是( )。
【单选题】There are a lot of useful things on the Internet, but________,there is something unhealthy on it. [ ]
【单选题】下列关于《伊索寓言》的说法,正确的是:
C.
最早的所谓伊索寓言并非纯文学,有极强的实用价值。
【判断题】假设有代码:int a=5,b=6,c; c=a+(--b); 以上代码被执行后,c的值为 11.
【判断题】服务接待在处理客户投诉时,要注意换位思考,感受客户的真实想法。
【单选题】Which statement is wrong about the Internet of Things?
A.
Issues such as privacy, reliability, and control of data still have to be worked out.
B.
Although challenges remain before the Internet of Things is fully realized,it is coming closer and closer to fruition.
C.
IPv4 is enough for the development of the Internet of Things.
D.
The Internet of Things will do more than just alert you to the whereabouts or condition of something.
【单选题】What are the disadvantages of 'Things of Internet' according to Raft Haladjian? 查看材料
A.
Different things can't communicate with each other.
B.
They are too expensive and without utility.
C.
The safety of them can't be ensured.
D.
They may threaten people's privacy.
【简答题】虚拟电机的控制方式有____、____、____和____ 机器人伺服控制、机器人IO控制、外部控制器伺服控制和外部控制器IO控制。