皮皮学,免费搜题
登录
搜题
【单选题】
How many precautions must be taken by the workers?
A.
Four
B.
Five
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【判断题】3. Data transfer rates offered by WANs should be higher than that by LANs.
A.
正确
B.
错误
【单选题】is a channel's capacity which directly reflects the data transfer rate of the channel.
A.
The delay
B.
The volume
C.
The noise
D.
The bandwidth
【单选题】二战末,同盟国为争取苏联对日宣战,美、英与苏联签定(),其中规定:“外蒙古现状须予维持。”
A.
《凡尔赛条约》
B.
《雅尔塔协定》
C.
《开罗宣言》
D.
《联合国家宣言》
【单选题】下列电疗法中不属于低频电疗法的有()
A.
TENS
B.
功能性电刺激
C.
感应电刺激
D.
干扰电疗法
E.
失神经刺激
【单选题】The hardware and software used to transfer data in an organization is called
A.
data management technology.
B.
networking and data management technology.
C.
data and telecommunications technology.
D.
networking and telecommunications technology.
【判断题】Data transfer rates offered by WANs should be higher than that by LANs.
A.
正确
B.
错误
【单选题】______ is a channel's capacity which directly reflects the data transfer rate of the channe1.
A.
The volume
B.
The bandwidth
C.
The noise
D.
The delay
【判断题】二战末,同盟国为争取苏联对日宣战,美、英语苏联签订《雅尔塔协定》,规定“外蒙古”现状必须维持。()
A.
正确
B.
错误
【单选题】下列关于干扰电的说法中,正确的是()
A.
和其他中频电疗一样,属于外生电流
B.
由两组不同频率的等幅中频三角波调制而成
C.
有中频电流成分又有低频电流的成分
D.
差频的变化使机体减少对电流的敏感性
E.
以上说法都错
【简答题】data transfer
相关题目: