【单选题】If you are interested, we will send you a sample lot charge.
【单选题】有一根电阻值为l0Ω的电阻丝,将它均匀的拉长为原来的3倍,拉长后的电阻值为( )Ω。
【单选题】-Hello. May I speak to Nancy? -____. [ ]
【判断题】如交流电动机在正常工作时采用 Y接线,那么就可采用 Y-△起动
【单选题】-Hello. -Hello, Nancy.
【单选题】有一根电阻值为10fl的电阻丝,将它均匀的拉长为原来的3倍,拉长后的电阻值为 ( )Ω。
【单选题】Nancy: Hello. I’d like to speak to Dr. Heckler. Lucy: ________________.
B.
Do you want to leave a message?
C.
Nobody here by that name.
D.
What can I do for you?
【单选题】If you are interested,we will send you a sample lot charge.
【简答题】阅读理解。 A: Hello. Who's that speaking? B: Hello. This is David. May I speak to Nancy, please? A: I'm sorry. She is ill. She has got a high fever. B: I'm sorry to hear that. Did she go to see a doctor? ...
【单选题】有一根10Ω的电阻丝,将它均匀拉长为原来的2倍,拉长后电阻丝的阻值为( )Ω