皮皮学，免费搜题
登录
搜题
【单选题】
设有一个二元等概信源:X∈{0,1},P0=P1=1/2,通过一个二进制对称信道(BSC),其失真函数dij与信道转移概率Pij=分别定义为 , 和 ,请写出平均失真 。A.
(1-ε)/2
B.
1-ε
C.
ε/2
D.
ε
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Please write down what you hear while listening to this news item.
【判断题】While listening, you don't understand a word, you need to decide if the information is essential before coping with the comprehension problem.
A.
正确
B.
错误
【单选题】皮内注射进行药物过敏试验时,下列不正确的是
A.
应用1ml注射器
B.
选用4~4.5号针头
C.
用2%碘酊消毒皮肤
D.
针尖斜面向上与皮肤成5。角刺入皮内
E.
注入药液O.lml
【单选题】II. Choose the correct answer to each of the following questions: 1. Which of the following statements was correct around the time of the American Revolution?
A.
The American had the mixed blood of Europeans or their descendants
B.
The American had the mixed blood of Europeans with American Indians
C.
The American had the mixed blood of Europeans with blacks
D.
The American had the blood of the English and their descendants only
【单选题】皮内注射进行药物过敏试验时,下列 不正确 的是
A.
应用 1ml 注射器
B.
选用 4~4.5 号针头
C.
用 2 ％碘酊消毒皮肤
D.
针尖斜面向上与皮肤成 5 。 角入皮内
E.
注入药液 0.1ml
【单选题】You prefer to work while listening to music. How should you handle this when you work in a cubicle?
A.
Keep the music low and agreeable (no foul words or loud tunes)
B.
Talk to the people surrounding you and make sure your choice of music is agreeable to them
C.
Use headphones
D.
Blast it out, if your workplace is casual
相关题目：
参考解析：
知识点：
题目纠错 0
发布
