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问题 单项选择题

以下有关黄金价格的说法中错误的是( )。

A．黄金价格与其他竞争性投资收益率成反向关系

B．国际局势紧张时，黄金价格会上升

C．一般而言，世界经济状况趋好，黄金首饰需求增加，将促使金价上升

D．美元的坚挺往往会推动金价的上涨

答案

参考答案：D

单项选择题

You are the project manager for software development project. The feasibility study can start any time and takes 1 week and requirement gathering takes 2 weeks which can start only after feasibility study. The design and test plan development can start in parallel after the requirements gathering. Test plan preparation takes 8 weeks followed by a review by the customer and the time estimated for review is 1 week. After the review, Test data preparation takes 6 weeks. Design takes 6 weeks and it is followed by development and unit testing, for one module it takes 2 weeks and for the other module it takes 2 weeks. There are no dependencies between modules and they can be developed simultaneously. After test data preparation and development and unit testing of both the modules, there is 2 weeks system testing. What is duration of the critical path ？（）

A．14 weeks

B．15 weeks

C．20 weeks

D．19 weeks
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单项选择题

患者生病是不由自主的，但有些疾病与人们的（）有密切关系，与忽视自我保健有关。

A.学习

B.生活

C.交流

D.技术
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