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【单选题】
听力原文：W: Our company will do business with ABC Wine Company in France in next two months. Could you give me some suggestions about the relatively safer means of settlement? M: In that case, I advise you to create a documentary credit. It will reduce the possible risk of export. Q: Which means of settlement is the safest from the exporter's viewpoint? (19)A.
Documentary credit.
B.
Documentary collection.
C.
Payment in advance.
D.
Open account.
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举一反三
【单选题】乙胺嘧啶的化学名为
A.
6-乙基-5-（4-氯苯基）-2，4-嘧啶二胺
B.
6-乙基-5-（3-氯苯基）-2，4-嘧啶二胺
C.
6-乙基-5-（4-甲基苯基）-2，4-嘧啶二胺
D.
6-乙基-5-（2-氯苯基）-2，4-嘧啶二胺
E.
6-乙基-5-（4-乙基苯基）-2，4-嘧啶二胺
【单选题】“货币是从商品中分离出来的，固定充当一般等价物的商品。”从中可以看出（）①货币是使用价值和价值的统一体②货币的本质是一般等价物③货币是商品交换长期发展的产物④一般等价物就是货币
A.
①②③
B.
②③④
C.
①②
D.
①③④
【简答题】The spy finally got ____ necessary for his government after a long stay here. A) all the informations B) all of the informations C) all the information D) all informations
【单选题】乙胺嘧啶的化学名为
A.
5-(4-甲基苯基)-6-乙基-2，4-二氨基嘧啶
B.
5-(4-甲氧基苯基)-6-乙基-2，4-二氨基嘧啶
C.
5-(4-氯苯基)-6-乙基-2，4-二氨基嘧啶
D.
5-(3-氯苯基)-6-乙基-2，4-二氨基嘧啶
E.
5-(3-甲氧基苯基)-6-乙基-2，4-二氨基嘧啶
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