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绒毛膜癌的临床表现包括( )
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已知R与C的并联电路中，电路的电源电压u=60+120sin500t V，R=300Ω， C=5μF，则该电路中干路上的电流i = A。
R: Reservation Clerk C: ClientR: Good morning. National Exhibition Center.________________1_______________(能为您做什么?) ?C: Yes, please. I’m Tyler Johnson from ECHO Company in the United States. I’d like to register for 2020New Civil Technology Expo.R: All right, Mr. Johnson, wait a minute, please. I’ll check the booth vacancies for you. Fortunately, there are still several booths available. ____________________2_______________________(如果您今天就预定,并且缴费的话, 还是能租到一个摊位的.)C: Okay. Can I get a standard booth in the center area?R: Sorry, I’m afraid ________________________3______________________(所有的中心区域摊位都订完了,只剩下两个角落摊位了) . They are No.19 A zone, and No. 7 near the exit.C: Oh, that’s fine, I’ll take this one: No. 19 in Azone. How much does it cost?R: It’s not a standard package booth(标准包价摊位) , a little bigger. 15 square- meter booth coats at least 80000 yuan RMB per unit. You have to pay 30% of booth fee for deposit(押金). ___________________________4_________________________( 在2021年1月4日之后取消展位,押金不退)C: Okay, I’ll take it.R: Thank you, Mr. Johnson, _______________________5___________________ (您定了一个15平米的非标准包价摊位, 编号是A-19.).
Euthanasia is also called _________ killing.
The estimated value of life in the USA in 2016 is _____million $.
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