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When() a documentary bill, our bank buys the bill and the documents for the face value less discount.
A、we negotiating
B、negotiated
C、negotiating
D、we are negotiating
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下面格式正确的E-mail是()a.bill_gates.microsoftb.boozhang.sdbc.yongli.inprise.comd.bill_clinton.whitehouse.gov
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You define the following regular expression of currency values:regex tx = new regex(^-?\d+(\.\d{2})?$)You are required to write code that will be used to find whether a string in the variable named Bill matches the regular expression or not. You are also required to use this code as the expression in a conditional statement and need to know which code segment to use.What should you do?（）A.The tx.Matches（Bill）B.The tx.Equals（Bill）C.The tx.Match（Bill）D.The tx.IsMatch（Bill）
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