Listen again and fill in the blanks.Accountant: How are you today, Mr. Jackson?Client: I'm good. Could you 1_____ something for me?Accountant: Sure. What is it?Client: Well, I 2_____ ______ ______ what value-added tax is.Accountant: It's like sales tax. When a company sells 3_______ or parts to another, they pay a tax.Client: So, does that 4______ ________ my company?Accountant: No. You only 5 ____ ____ in the United States, which hasn'tadopted a value-added tax yet.Client: Oh,I see. So that's not something I need 6______ _______ ______.
判断处在弱磁场中,下列原子态的子能级数哪一个是正确的:
A. 4D3/2分裂为2个
B. 1P1分裂为3个
C. 2F5/2分裂为7个
D. 1D2分裂为4个