21．An applicant is the party which applies to the bank for opening a letter of credit．It is usually the（ ）in the sales contract．
A．buyer
B．seller
C．importer
D．exporter
22．Normally the banks accept the following marine bills of ladin9．（ ）
A．order bills of lading
B．shipped bills of lading
C．clean bills of lading
D．foul bills of lading
23．There are some risks in multilateral trade．They mainly include economic risks and political risks．The economic risks include（ ）．
A．risk of confiscation of the importer’s company
B．risk of exchange rate
C．risk of failure of payments by buyer
D．risk of war
24．Comparing with UCP500，the major changes introduced by the UCP600 include（ ）．
A．the commercial invoice must be made Out in the same currency as the L／C
B．the commercial invoice must not be made Out in the same currency as the L／C
C．B（s）／L may now allow transshipment，provided that the entire carriage is covered by one and the same bill of lading
D．B（s）／L may not allow transshipment，provided that the entire carriage is covered by one and the same bill of lading
25．Please point out which of the following statements are not right．（ ）
A．Order processing is one of areas of logistic work
B．Order processing is not one of areas of logistic work
C．Transportation is one of areas of logistical work
D．Transportation is not one of areas of logistical work