皮皮学，免费搜题
登录
搜题
【简答题】
判断下列系统是否是可逆的。若可逆，给出它的逆系统；若不可逆，指出使该系统产生相同输出的两个输入信号。 （1） （2）
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'm busy now. But I will be free tomorrow. M: Do you like to go to the cinema with me tomorrow? Q: What will the woman do tomorrow? (25)
A.
She will work.
B.
She will be free.
C.
She Will go shopping.
【单选题】听力原文：M: Do you want to go to the cinema with us on Saturday? W: Thanks, but I have to study for my research project. I'm taking that same anthropology course you took with Professor Gray. M: The one o...
A.
Which major the woman will be choosing.
B.
An anthropology course the woman is taking.
C.
How to find a job in publishing.
D.
Which anthropology professors the man recommends.
【单选题】听力原文：M: Do you want to go to the movies tonight? W: I can't. I have to review my lessons. M: Are you having a test tomorrow? W: Yes. We're having our mid-term exam. M: I wish you good luck. W: Thanks....
A.
She had to review her lessons.
B.
She had seen the movie before.
C.
She didn't want to go with the boy.
【单选题】听力原文：M: Do you want to go to the cinema with us on Saturday? W: Thanks, but I have to study for my research project. I'm taking that same anthropology course you took with Professor Gray. M: The one o...
A.
Which major the woman will be choosing,
B.
An anthropology course the woman is taking.
C.
How to find a job in publishing.
D.
Which anthropology professors the man recommends.
【简答题】若一个数的算术平方根是 √11 ,则这个数是 .
相关题目：