根据所给情景，完成下列对话。
吉姆在家看书，听到有人敲门，他去开门，来人正是他的好友王兵，于是他们交谈起来。
Jim: Oh, it's you. __________ __________!
Wang Bing: Hello, __________. Good! You're __________ home.
Jim: __________ __________, please. __________ __________ and __________ some strawberries, please.
Wang Bing: __________ __________. What are you doing?
Jim: I'm reading __________ __________. It's very interesting.
Wang Bing: Let me __________ __________ __________, please.
Jim: __________ __________ __________.
Wang Bing: There are some __________ (图画) in it. Whose book __________ __________?
Jim: __________ Lin Tao's.
Wang Bing: Really? What's __________ name？
Jim: Red Star over China (《西行漫记》).
Wang Bing: Oh, I must buy one.
，电压升高为原来的n倍，则功率损失变为原来的
，故C正确，ABD错误