Passage Two
　　There are generally several types of credits. A(n) "___46____" guarantees payment to the beneficiary, provided that the credit terms and conditions are met and the standing of the advising bank in the beneficiary’s country is sound. A(n) " ____47______" may be cancelled at any time up to the moment the advising bank pays. This type of credit is ___48_____ favorable to the exporter. There is a risk that goods may be shipped and the credit revoked before documents are presented to the advising bank. A(n) "____49______" may not be cancelled or even amended without the consent of all the parties involved. This type of credit guarantees that no single party will revoke the contract already signed. A(n) "____50_____", like a commercial credit, is a promise by the issuer to honor the beneficiary’s presentation of the credit.
　　46.
　　A. stand-by credit
　　B. revocable credit
　　C. irrevocable credit
　　D. confirmed credit
　　47.
　　A. confirmed credit
　　B. revocable credit
　　C. irrevocable credit
　　D. stand-by credit
　　48.
　　A. the most
　　B. the least
　　C. far
　　D. much
　　49.
　　A. confirmed credit
　　B. revocable credit
　　C. irrevocable credit
　　D. stand-by credit
　　50.
　　A. stand-by credit
　　B. revocable credit
　　C. irrevocable credit
　　D. confirmed credit

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