实际电路的几何尺寸远小于其工作信号波长，这种电路称为（）电路。
A.分布参数
B.集总参数
参考答案：B
句型转换。
1. Tom's birthday is March 21st. (改为同义句)
Tom's __________ __________ birth is March 21st.
2. My sister is twelve. (对画线部分提问)
__________ __________ is your sister?
3. Her birthday is May 2nd. (对画线部分提问)
__________ __________ her birthday?
4. I was born in 1992. (对画线部分提问)
__________ __________ you born?
5. We have a music Festival each year. (对画线部分提问)
__________ __________ __________ you have each year?
中国第一位全力创作通俗小说的作家是谁？
