题目内容
主矢和主矩都不为零时,( )。
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Customer: I’m (1) ____________a sweater. Do you have any blue sweaters?Mateo: Well, is the sweater for you or for someone else?Customer: It’s for me.Hector: Well, (2)____________ this sweater right here? I think this would look great on you.Customer: I like it. It might be a bit big. What size is it?Mateo: That is a (3) ________. Here is a (4) ________.Customer: Yes, I think this is the right (5) ________. How much is it?Mateo: It’s (6)________ dollars.
Customer:Hello, (1)please?Salesclerk: Sure. What are you (2) ________ ?Customer: I’m looking for a new pair of (3)________ .Salesclerk: No problem. What (4) ?Customer: I usually (5) .Salesclerk: 32 inches? Here.(6) . They are (7) ________ today.Customer: Nice. How much are they?Salesclerk: Only $ (8) ________ .Customer: Thanks! I’ll (9) and let you know.Salesclerk: Great! The (10)________ rooms are just over there.
请说明经济利润与会计利润的关系。
用支出法计算GDP包括以下哪些内容（）。
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