皮皮学，免费搜题
登录
搜题
【判断题】
所谓门限效应，是指当信噪比比较小时，信号很弱，系统可以正常工作，其抗噪性能可以用误码率进行度量。但如果噪声小，信号比较强，则接收系统无法正常工作。A.
正确
B.
错误
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】Directions: For this part, you are allowed 30minutes to write a letter applying for a position of acompany. You should write at least 120 wordsaccording to the outline given below in Chinese： 1.申请职位; ...
【单选题】What is the author trying to do with the example in paragraph 3?
A.
Prove the idea that positive motivations are really needed for students.
B.
Criticize the students about their lack of persistence faced with difficulties.
C.
Show his pity on students' weak will power.
D.
Reflect about our educational system and the role exams play in it.
【单选题】When we do business with various kinds of people, we should
A.
maintain an advantageous position all the time.
B.
expand our market share as much as possible.
C.
change our methods and use suitable approach to deal with different people.
【多选题】现实生活中,常有一些企业的经济行为发生,下列经济行为中,适用企业价值评估的方式有( )。
A.
企业用部分资产对外投资
B.
企业整体转让
C.
企业产权转让
D.
被其他企业兼并
E.
企业停业整顿
【单选题】It can be inferred that we should ______ from the passage.
A.
enforce the principle of 'positive reinforcement'
B.
continue advocating rewarding system in America
C.
put more emphasis on use of punishment
D.
try to limit the use of rewards and incentives
相关题目：
参考解析：
知识点：
题目纠错 0
发布
