皮皮学,免费搜题
登录
搜题
【单选题】
已知 ,n为任意整数,则f(t)的拉氏变换为( )
A.
1-e-sT
B.
1-e-ns
C.
1-e-nsT
D.
1-e-nT
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
【简答题】听下面一段材料,回答第10至12题。 1. What is the man dissatisfied with? A. The price of the goods. B. The quality of the goods. C. The delivery of the goods. 2. How does the man want to have the goods delivered? A. ...
【简答题】请听下面一段材料,回答第1-4题。 1. What has the woman been doing all afternoon? A. Looking at the apartment ads. B. Reading some really interesting news. C. writing some house sales ads. 2. What does the man think ...
【单选题】搜索含有 data bank 的PDF文件,正确的检索式为( )。
A.
data and bank and pdf
B.
data+bank+pdf
C.
data+bank+file:pdf
D.
"data bank" filetype:pdf
【单选题】—Do you like country ? —Yes, ________. [     ]
A.
Yes, I am a country fan
B.
Yes, I am a pop fan
C.
Yes, I am interested in classical music
D.
Yes, he is a fan
【简答题】在化工生产反应过程中,表示化工生产过程状态的参数是( )A. 温度 B. 生产能力 C. 选择性 D. 消耗指标
【单选题】下列关于边沁的功利主义思想说法错误的是
A.
个人是唯一现实的利益
B.
快乐就是最大的善
C.
注重人的快乐的质量
D.
增进个人利益和幸福就是增进了社会的利益和幸福
【简答题】听下面一段材料,回答第1-3题。 1. What caused the mistake? A. The delivery company. B. The computer problems. C. The woman’s carelessness. 2. What printers did the man order? A. HP356. B. HP56. C. HP36. 3. How will...
【简答题】听下面一段材料,回答第1-3题。 1. What is the man dissatisfied with? A. The price of the goods. B. The quality of the goods. C. The delivery of the goods. 2. How does the man want to have the goods delivered? A. By...
【单选题】在化工生产反应过程中,表示化工生产过程状态的参数是( )
A.
、温度;
B.
、生产能力;
C.
、选择性;
D.
、消耗指标
【单选题】Are you taller than your brother? [     ]
A.
Yes, I do.
B.
Yes, I am.
C.
Yes, I am not.
相关题目: