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【简答题】
60°角的余角是______，130°角的补角是______．
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举一反三
【简答题】What are the main rules and practices relating to trade terms? What trade terms do they define?
【单选题】The trade terms define（明确）the responsibilities and expenses of ( ).
A.
both the seller and the buyer
B.
both the exporter and the operator
C.
both the consignee and the consignor
D.
both the shipper and the carrier
【单选题】The trade terms define the responsibilities and expenses of ___________.
A.
both the seller and the buyer
B.
both the consignee and the consignor
C.
both the shipper and the carrier
D.
both the seller and the operator
【单选题】下列各组中，两物质均能使有色试剂褪色，但褪色原理不相同的一组是
A.
乙炔和乙烯均能使溴水褪色
B.
Cl 2 和SO 2 均能使品红褪色
C.
油脂和乙酸乙酯均能使含酚酞的NaOH溶液褪色
D.
甲苯和乙苯均能使酸性KMnO 4 褪色
【单选题】The trade terms define the responsibilities and expenses of
A.
Both the seller and the buyer
B.
Both the consignee and the consignor
C.
Both the shipper and carrier
D.
Both the exporter and the operator
【多选题】The trade terms define （明确） the responsibilities and expenses of ( ).
A.
the seller
B.
the carrier
C.
the insurer
D.
the buyer
【简答题】Define the following terms: draft trade acceptance
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【简答题】What are the main rules and practices relating to trade terms? What trade terms do they define?