The export letter of guarantee provides assurance that______.
A. the buyer will perform. his contractual obligations
B. the seller will perform. his contractual obligations
C. the bank will take over the contract if there is a problem
D. none of the above
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A special crossing consists of______.
A. the name of a bank
B. two parallel transverse lines
C. the word "not negotiable"
D. all of the above
A L/C that enables the buyer to pay for the goods after a period of time indicated in the
A. time L/C
B. usance L/C
C. acceptance L/C
D. deferred payment L/C
CD34+细胞占外周血有核细胞的比例，正确的是
A. 0.0001
B. 0.0005
C. 0.0002
D. 0.0004
E. 0.0003
地方性法规与部门规章之间对同一事项规定不一致，不能确定如何适用时，由国务院提出意见。国务院认为适用部门规章的，应当适用（）。
A. 国务院裁决
B. 全国人大常委会裁决
C. 地方性法规
D. 部门规章
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