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【多选题】
下面关于最短路径的说法，哪个是正确的？（多选）符号“A-B-C”是指一条从路由器A到路由器B到路由器C的路径。A.
如果 A-B-C 是最短路径，那么 A-D-C 就不可能是最短路径。
B.
如果 A-B-C 和 C-D-E 是最短路径，那么 A-B-C-D-E 也是最短路径。
C.
如果A-B-C-D是最短路径，那么A-B-C和C-D也是最短路径。
D.
从路由器A到网络中的所有其他路由器的最短路径，形成了一颗以路由器A为根的树。
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【单选题】(速卖通,2019)Which payment method can not be used for the orders placed from AliExpress App?( ) ()
A.
MasterCard
B.
Visa
C.
Webmoney
D.
QIWI
【单选题】which one is a payment method
A.
bill of exchange
B.
bill of lading
C.
FOB
D.
collection
【单选题】Which of the following payment method is based on commercial credit? ( )
A.
letter of credit
B.
.bank guarantee
C.
collection
D.
standby credit
【简答题】Please read the following bill of exchange and answer the questions. --Which payment method is this draft used for? --Who are the payee, drawee, and drawer respectively? --Is this a sight draft or usa...
【单选题】Which method of payment means buyers pay first and then seller realeases document?
A.
D/P
B.
D/A
【单选题】If the payment method is D/A 30 daysafter sight, which of the following statement isnottrue?
A.
The importer can get the shipping documents as long as he promises to pay within 30 days
B.
The importer doesn’t need to pay when the documents being presented to him
C.
The importer can get the cargo as long as he accepts a 30 days draft drawn upon him
D.
The importer won’t get the cargo until he makes payment
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