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问题 选择题

张某有5万美元，他决定将其中2万美元换成人民币，3万美元换成欧元，根据该表四家银行提供的当天外汇报价，张某应选择的银行分别是

 甲乙丙丁
1美元兑人民币6.52276.52486.52576.5235
1欧元兑美元1.42351.42581.42411.4222
 

A．甲和丁           B．丙和乙        C．丙和丁         D．甲和乙

答案

C

根据题意，人民币中丙银行最高，故人民币应该选择丙，排除AD。欧元兑美元丁银行最低，也就是美元对欧元最高，故欧元应该选择丁，故排除B，C入选。

【考点定位】本题考查必修一经济生活-汇率

问答题

Ano Ltd is a publisher specialising in producing scientific textbooks.In January 2013, it decided to produce a new edition of a particular book and commissioned Box and Cox to produce the work. Box was to provide the text and Cox was to produce the extensive diagrams and each of them was to be paid ￡5,000. The contract entered into between Ano Ltd and Box required the text to be produced by 30 April 2013 and the terms of Cox’s contract required the diagrams to be submitted by 30 June 2013.In March 2013, Box informed Ano Ltd that he would not supply the finished text on time unless Ano Ltd increased his payment by ￡1,000. Ano Ltd agreed to the increase but when Box submitted his invoice on delivering the text, Ano Ltd refused to pay the additional amount.In May 2013, Cox informed Ano Ltd that he was no longer willing to produce the diagrams for the book. Ano Ltd can get someone else to produce the diagrams, but given the time lost, they will have to pay an additional ￡500 to produce the diagrams on time for printing the textbook as originally planned.Required:In the context of the law of contract, advise:

(a) what action Box can take against Ano Ltd to enforce the additional payment; (5 marks)
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单项选择题

下列不属于埋弧自动堆焊特点的是（）。

A.对焊剂、焊丝工艺质量要求高

B.操作复杂，对焊工的技术水平要求高

C.可采用大电流进行焊接，生产率高

D.设备庞大、只适用于厂房内操作
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