皮皮学，免费搜题
登录
搜题
【单选题】
一个三级电压放大电路,各级电压增益分别为 -30、-40、1,若输入电压为1mV,则输出电压为( )。A.
-30mV
B.
-40mV
C.
-70mV
D.
1200mV
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
【判断题】消费互联网以满足消费者在互联网中的消费需求为主要目标。通过高质量的内容和有效信息的提供来获得流量，通过流量变现的形式获得收益。判断对错 A、正确 B、错误
A.
正确
B.
错误
【单选题】Sushi, the thousand-year-old Japanese delicacy, started small in the United States, in a handful of restaurants in big cities. Today, sushi consumption in America is 50% greater than it was ten years ...
A.
sushi is now a fast food as popular as hot dogs, burgers, and fries.
B.
more sushi is sold in restaurants than in supermarkets.
C.
Americans are more adventurous eaters than they were in the past.
D.
sushi wasn’t always widely available in the United States.
【简答题】甲状腺功能亢进术后出现误咽、呛咳是由于 A．喉返神经损伤 B．喉上神经外支损伤 C．喉上神经内支损伤 D．副神经损伤 E．舌咽神经损伤
相关题目：
参考解析：
知识点：
题目纠错 0
发布
