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【单选题】
一个n条边的连通无，其顶点的个数至多为( )。A.
n-1
B.
n
C.
n+1
D.
nlogn
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举一反三
【单选题】Who should be least criticized for negative consequences of students' credit card debt according to the passage?
A.
Parents.
B.
Students themselves.
C.
College and university administrators.
D.
Credit card issuers.
【单选题】Why should college students use credit cards wisely?
A.
To get more financial credit when in college.
B.
To get experience of using credit cards in college.
C.
To avoid huge credit card debts when they graduate.
【单选题】It is understood that a letter of credit in our favour ______ the shoes ______ should be opened immediately.
A.
covering, saying
B.
covered, said
C.
covered, saying
D.
covering, said
【简答题】______ is a credit that should be negotiated by a documentary draft accompanied by shipping documents which representing title to the goods.
【单选题】The set of rules that determines whether or not credit should be extended is known as:
A.
credit analysis.
B.
credit policy.
C.
the terms of trade credit.
D.
multiple discriminate analysis.
【简答题】Freight forwarders should study the provisions of the letter of credit and all governments regulation applicable to the shipment of goods in（ ）．
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