【判断题】以绿色为底调的色彩称为暖基调,以红色为底调的色彩称为冷基调。
【判断题】星型拓扑结构的视频监控传输中,每路前端视频信号均通过专一信道直接传输至系统后端,其优点是每个摄像机独占一条传输线缆,相互间信号没有干扰
【单选题】When Americans need advice, they usually____________.
A.
ask the people they know for advice
B.
ask their family members for advice
C.
write to newspapers for advice
D.
write to their friends for advice
【多选题】开办旅馆应当具备的条件包括:()
A.
根据国家规定配置的身份证识别、治安信息采集传输设备
B.
出入口、营业厅、主要通道、保管库房、停车场,应当根据国家规定安装视频监控设备
C.
有符合安装旅馆业治安管理信息系统要求的设备设施,并开通互联网
【多选题】下列关于闭路电视监视系统的说法正确的有( )
A.
能够为调度员、各车站值班员、列车驾驶员等提供有关列车运行、防灾救灾、乘客疏导及运营管理等方面的视觉信息
C.
全网由图像摄取、图像显示及录制、车站控制、中心控制、视频信号传输等部分组成
【单选题】By saying 'that advice is laughable', the author means that______.
A.
that advice is neither professional nor sensible
B.
everyone has to disclose his personal data sometimes
C.
the advices given by the government are rarely workable
D.
government agencies are laughable in giving that advice
【单选题】What advice does the man give to the woman?
A.
Run five miles a week.
B.
Bike for an hour every day.
C.
Walk for 10 minutes after dinner.
D.
Do whatever she can to exercise.