【判断题】物联网可分为三层:感知层、网络层和应用层
【单选题】Choose the answer that correctly interprets the answer from the text. In fact, Miller realized that without the net he had started becoming even more "out of touch with life." (Para. 3)
A.
As a matter of fact, Miller realized that without the Internet he had started becoming even more disconnected from life.
B.
In fact, Miller realized that life had started to become more distant without a network of relationships.
【单选题】将有效值为220V的交流电压加到电阻值为100Ω的电阻器两端,则电阻器两端电压和流过电阻器的电流是()。
【判断题】在家庭教育中,当家长意见不统一时,家长可以按照个人意愿施教。
【单选题】听力原文:M We're going to have to hire some extra help for the Miller project. W Oh? But the Miller deadline isn't for another 2 months. That should be plenty of time to meet the deadline, don't you think...
A.
A larger budget for a project
B.
More information about a project
C.
An extension of a project deadline
D.
More people to help work on a project
【单选题】将220V的交流电压加到电阻值为22Ω的电阻器两端,则电阻器两端()。
A.
电压有效值为220V,流过的电流的有效值为10A
B.
电压的最大值为220V,流过的电流的最大值为10A
C.
电压的最大值为220V,流过的电流的有效值为10A
D.
电压的有效值为220V,流过的电流的最大值为10A
【单选题】关于原发性高血压的病因,叙述错误的是()
【判断题】物联网可以分为三层架构:感知层、网络层和应用层。
【单选题】将 220V 的交流电压加到电阻值为 22 Ω的电阻器两端,则电阻器两端( )
A.
电压有效值为 220V ,流过的电流的有效值为 10A
B.
电压的最大值为 220V ,流过的电流的最大值为 10A
C.
电压的最大值为 220V ,流过的电流的有效值为 10A
D.
电压有效值为 220V ,流过的电流的最大值为 10A