皮皮学，免费搜题
登录
搜题
【单选题】
(__)信号是连续变化的,在时间和幅度上取值是连续的;(__)是不连续的,在时间上是离散的,在幅度上是经过量化的。A.
模拟信号,数字信号
B.
数字信号,模拟信号
C.
以上都不对
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
【单选题】听力原文：W: I wonder if there's a difference in work attitude--working in a small company or working for a big company. M: Yes, sure there're differences. I guess that you're more...uh...conscious of time...
A.
The differences in work attitudes of employees in big companies and small companies.
B.
The management styles of executives in big companies and small companies.
C.
The percentage of employees involved in top management in big companies and small companies.
D.
The operation on a first-name basis in big companies and small companies.
【单选题】听力原文：W: Good afternoon, sir. M: Good afternoon. W: I wonder if you'd like to answer a few questions. We are doing a market survey. It won't take very long. M: Well, all right. W: Well, it is a questio...
A.
They are talking about making the bed.
B.
They are doing a market survey.
C.
They are talking about reading novels.
D.
They are discussing about recent violence matters.
【单选题】听力原文：W: Good evening, Mr. Brown, and welcome to the program. M: Thank you! W: I wonder if you could tell listeners more about the work you do? M: Certainly. W: Mr. Brown, I gather that you work for a ...
A.
At a television studio.
B.
On a radio program.
C.
In a job interview.
D.
In a factory.
【简答题】习惯型消费人群属于( )主导人群
【单选题】听力原文：W: I wonder if our children will still be able to breath clean air, drink clean water and see blue sky. M: I agree with you. I think it's time man learned to live in harmony with the earth instea...
A.
The environmental problem.
B.
The health problem.
C.
The educational problem.
D.
The international problem.
【单选题】听力原文：W: Good evening, Mr. Brown, and welcome to the program. M: Thank you! W: I wonder if you could tell listeners more about the work you do? M: Certainly. W: Mr. Brown, I gather that you work for a ...
A.
At a television studio.
B.
On a radio program.
C.
In a job interview.
D.
In a factory.
【单选题】When the novelist Jodi Picoult was approached to write a few installments of the 'Wonder Woman' comics series, her first_____was to take the character out of her trademark.
A.
conspiracy
B.
subversion
C.
impulse
D.
dissipation
相关题目：