题目内容

电压放大器的输入电阻高，表明其放大微弱信号能力（）。

A. 强
B. 弱
C. 一般
D. 不确定

查看答案

搜索结果不匹配？点我反馈

更多问题

Task One: Table Completion (Directions:) Listen to the passage three times and complete the following table with the information from the passage.

1.What do TOEFL and IELTS stand for respectively?A:TOEFLstands for _ while IELTS stands for __.

2.How many colleges and universities in USA are recognizingthe IELTS now?

3.What does TOEFL iBT mean?