皮皮学，免费搜题
登录
搜题
【单选题】
有关 IEEE802.11b 标准描述错误的是 _____________ 。
A.
可以支持最高为 11Mbps 的数据速率
B.
采用补码键控调制技术 CCK
C.
最多可以提供 12 个互不重叠的子频道
D.
运行在 2.4GHz 的 ISM 频段上
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】P-N 结通正向电压时,外电场方向与内电场方向相反,阻挡层变薄,载流子易通过阻挡层,形成正向宏观电流。
A.
正确
B.
错误
查看完整题目与答案
【单选题】根据下列文章,请回答 46～50 题。 Why Would They Falsely Confess? Why on earth would an innocent person falsely confess to committing a crime? to most people，it just doesn’t seem logical．But it is logical，say exper...
A.
in her experiment．participants were seated at computers and told not to hit the “alt” key，because doing SO would crash the systems．
B.
“In some ways。”says Kassin, false confession becomes a rational decision．”
C.
“It's a little like somebody’s working on them with a dental(牙齿的)drill，”says Franklin Zimring．a law professor at the University of California at Berkeley．
D.
“But adults are highly vulnerable too．”
E.
How could an innocent person admit to doing something he didn’t do?
F.
Redlich also found that the younger the participant。the more likely a false confession． 第 46 题 请选择（1）处最佳答案。
查看完整题目与答案
【单选题】蓝牙室内有效的传输距离最远是( )米。
A.
2
B.
3
C.
5
D.
10
查看完整题目与答案
【简答题】Why would governments attach importance to the Internet?
查看完整题目与答案
【判断题】萨顿精通十几种语言,这对科学史的研究有很大的帮助。
A.
正确
B.
错误
查看完整题目与答案
【判断题】现病史是从患者的最初症状起到就诊为止的整个过程的病史
A.
正确
B.
错误
查看完整题目与答案
【单选题】英国物理学家托马斯 · 杨在 1801 年设计了一个非常巧妙的实验。他用强光照射一个小孔,并以孔作为点光源发出球面光波。然后,在离开小孔一定距离的地方放置两个窄缝,并观察窄缝后的屏幕。那么托马斯 · 杨是想观察什么现象呢?
A.
光的衍射
B.
光的偏振
C.
光的全反射
D.
光的干涉
查看完整题目与答案
【单选题】如果想在已建立的“tSalary”表的数据表视图中直接显示出姓“李”的记录，应使用 Access提供的______。
A.
筛选功能
B.
排序功能
C.
查询功能
D.
报表功能
查看完整题目与答案
【单选题】阅读材料，回答题。 Why Would They Falsely Confess? Why on earth would an innocent person falsely confess to committing a crime? To most people, it justdoesn&39;t seem logical. But it is logical, say experts, i...
A.
In her experiment participants were seated at computers and told not to hit the 'Alt' key， because doing so would crash the systems.
B.
In some ways，' says Kassin， ' false confession becomes a rational decision.'
C.
'It's a little like somebody's working on them with a dental （ 牙齿的 ） drill， ' says Franklin Zimring， a law professor at the University of California at Berkeley.
D.
'But adults are highly vulnerable too.'
E.
How could an innocent person admit to doing something he didn't do?
F.
Redlich also found that the younger the participant， the more likely a false confession.
查看完整题目与答案
【判断题】现病史是从患者的最初症状起到就诊为止的整个过程的病史。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【判断题】P-N 结通正向电压时,外电场方向与内电场方向相反,阻挡层变薄,载流子易通过阻挡层,形成正向宏观电流。
A.
正确
B.
错误
查看完整题目与答案
【单选题】根据下列文章,请回答 46～50 题。 Why Would They Falsely Confess? Why on earth would an innocent person falsely confess to committing a crime? to most people，it just doesn’t seem logical．But it is logical，say exper...
A.
in her experiment．participants were seated at computers and told not to hit the “alt” key，because doing SO would crash the systems．
B.
“In some ways。”says Kassin, false confession becomes a rational decision．”
C.
“It's a little like somebody’s working on them with a dental(牙齿的)drill，”says Franklin Zimring．a law professor at the University of California at Berkeley．
D.
“But adults are highly vulnerable too．”
E.
How could an innocent person admit to doing something he didn’t do?
F.
Redlich also found that the younger the participant。the more likely a false confession． 第 46 题 请选择（1）处最佳答案。
查看完整题目与答案
【单选题】蓝牙室内有效的传输距离最远是( )米。
A.
2
B.
3
C.
5
D.
10
查看完整题目与答案
【简答题】Why would governments attach importance to the Internet?
查看完整题目与答案
【判断题】萨顿精通十几种语言,这对科学史的研究有很大的帮助。
A.
正确
B.
错误
查看完整题目与答案
【判断题】现病史是从患者的最初症状起到就诊为止的整个过程的病史
A.
正确
B.
错误
查看完整题目与答案
【单选题】英国物理学家托马斯 · 杨在 1801 年设计了一个非常巧妙的实验。他用强光照射一个小孔,并以孔作为点光源发出球面光波。然后,在离开小孔一定距离的地方放置两个窄缝,并观察窄缝后的屏幕。那么托马斯 · 杨是想观察什么现象呢?
A.
光的衍射
B.
光的偏振
C.
光的全反射
D.
光的干涉
查看完整题目与答案
【单选题】如果想在已建立的“tSalary”表的数据表视图中直接显示出姓“李”的记录，应使用 Access提供的______。
A.
筛选功能
B.
排序功能
C.
查询功能
D.
报表功能
查看完整题目与答案
【单选题】阅读材料，回答题。 Why Would They Falsely Confess? Why on earth would an innocent person falsely confess to committing a crime? To most people, it justdoesn&39;t seem logical. But it is logical, say experts, i...
A.
In her experiment participants were seated at computers and told not to hit the 'Alt' key， because doing so would crash the systems.
B.
In some ways，' says Kassin， ' false confession becomes a rational decision.'
C.
'It's a little like somebody's working on them with a dental （ 牙齿的 ） drill， ' says Franklin Zimring， a law professor at the University of California at Berkeley.
D.
'But adults are highly vulnerable too.'
E.
How could an innocent person admit to doing something he didn't do?
F.
Redlich also found that the younger the participant， the more likely a false confession.
查看完整题目与答案
【判断题】现病史是从患者的最初症状起到就诊为止的整个过程的病史。
A.
正确
B.
错误
查看完整题目与答案