【判断题】已知某函数的象函数【图片】所对应的原函数为【图片】。
【判断题】信标是安装在轨道上的无源或有源器件,它可以接收来自车载信标天线的频率信号,该信号为无源信标工作提供所需的供电。信标可为列车提供定位、精确停车、提供地面信号机状态等功能
【单选题】Which of the following is the effective use of visual aids?
A.
Displaying the visual aids throughout the entire speech.
B.
Keeping the PPT still visible to the audience when the speaker does not discuss them.
C.
Keeping your eyes fixed on the visual aids instead of your audience.
D.
Adding a blank slide at the end of your presentation.
【单选题】Why are some people fearful of AI, according to the speaker?
A.
Because AI will change human behavior.
B.
Because AI will create smarter and rebellious robots.
C.
Because AI will make humans lose jobs.
D.
Because AI will be managed by bad people.
【单选题】安装在机车上的下列设备,哪些不属于电务部门负责()。
【单选题】下列描述哪项不正确( )
E.
神经系统从解剖学上可分为周围神经系统和中枢神经系统两大部分
【多选题】People use visual aids because they ____________.
A.
improve audience understanding and memory.
B.
increase eye contact with your audience
D.
help to create your image as a competent speaker
【单选题】下列描述哪项 不正确 ( )
E.
神经系统从解剖学上可分为周围神经系统和中枢神经系统两大部分
【判断题】神经系统由大脑、小脑、中脑、脑桥、延髓、间脑、 12对脑神经和31对脊神经构成 。 ( )
【判断题】已知某函数的象函数【图片】所对应的原函数为 【图片】。对吗?