皮皮学，免费搜题
登录
搜题
【简答题】
Replace the underlined words with the correct form of the words in the box. You may need to make other changes. 1. I could hear the dog 1 moving its claws against the door, trying to get out. 2. The university is one of the most famous 2 large organizations in the country. 3. The king died after he was 3 made to eat or drink a substance that could kill him . 4. She woke up and 4 pressed and moved her hands over her eyes, still feeling sleepy.
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】1 V= mV 100 mV= μV 10^9 μV= V
【单选题】电路如图所示,R= 1kΩ, C = 1μF,输入电压为1mV的直流信号,求在1秒后输出电压vo值(),如果电源为正负12V,求100秒后vo的值()
A.
1V，100V
B.
-1V，-100V
C.
1V，12V
D.
-1V,-12V
【单选题】有一台直流标准电压源，说明书上给出的误差技术指标是：1V量程为4×10-6Ux+1.5μV；10V量程为4×10-6Ux+8μV；100V量程为4×10-6Ux+0.1mV，Ux为输出电压值，则相对误差最小的量程是（）
A.
1V量程
B.
10V量程
C.
100V量程
D.
三个量程的误差一样
【单选题】Dear Mr. / Mrs. We are much concerned that your sales in recent months have fallen considerably. At first we thought this might be due to a slack ( 淡季 ) market, but on looking into the matter more clo...
A.
Due to a slack market.
B.
Due to the general trend
C.
Because he/she is facing difficulties
D.
It is not mentioned in the letter.
【简答题】已知一个集成运放的开环差模增益Aod为100dB,最大输出电压峰-峰值Uopp=±14V, 分别计算差模输入电压uI(即uP-uN)为10μV、1mV、1v时的输出电压u。分别等于( )v、( )v和( )V。
【简答题】Conversation 5 A: May I come in, Mr. Li? B: , Miss Wang. I'm very busy now. A: , then? B: Yes, of course. (an hour later) A: now, Mr. Li? B: Well...Mmm... I'm , but...all right. come in. What can I do...
【简答题】已知 是矩阵 的一个特征向量,则参数a= ; b= ;特征向量 ξ 所对应的特征值为 .
【简答题】已知一个集成运放的开环差模增益Aod为100dB,最大输出电压峰-峰值Uopp=±14V,分别计算差模输入电压uI(即uP-uN)为10μV、100μV、1mV、1V和-10μV、-100μV、-1mV、-1V时的输出电压uO。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
