题目内容

Incoterms are a set of trading terms and rules that identify the()imposed upon sellers and buyer

A. obligations
B. costs
C. risks
D. inspection costs

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At present, the core of China’s export market strategy is to achieve a()export market structure

A. diversified
B. centralized
C. subdivided
D. natural

交互捻钢丝绳容易松散打结()

The Belt and Road Initiative is a (n)()

A. agenda
B. project
C. initiative
D. strategy

带头结点的单链表first为空的判定条件是()

A. first == NULL;
B. first->link == NULL;
C. first->link == first;
D. first != NULL;

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