题目内容

指出加工图23-19中加工2.3能检查出哪些不合格交费凭证。

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听力原文： One who watches TV often feels that whatever happened in the film could well happen to him. At her friend's, Jane had been enjoying a spy film in which a young girl had been followed and murdered. Now she was walking to the station, feeling a little frightened. She took the train back to the center of the city where there were lots of people, and she felt much safer. She thought of nothing until she found a man nearby staring at her. Feeling very uncomfortable she got out of the train and went to the bus stop. No sooner had she taken a seat than she found herself still followed. After getting off, she heard footsteps behind her but dared not turn round before she felt a hand on her shoulder and heard a pleasant voice "I'd apologize if I frightened you. I'm your new neighbor. I thought I recognized you in train, but I wasn't so sure".
One who watches TV often feels that whatever【11】in the film could well happen to him. At her friend's, Jane had been enjoying a spy film in which a young girl had been followed and murdered. Now she was walking to the station, feeling a little【12】. She took the train back to the center of the city where there were lots of people, and she felt much safer. She thought of nothing until she found a man nearby staring at her. Feeling very【13】she got out of the train and went to the bus stop.【14】had she taken a seat than she found herself still followed. After getting off, she heard footsteps behind her but dared not turn round before she felt a hand on her shoulder and heard a pleasant voice "I'd apologize if I frightened you. I'm your new neighbor. I thought I【15】you in train, but I wasn't so sure".

使用说明中的词语，给出图23-11中的数据存储D1～D5的名称。

单位：万元项目原始投资净现值净现值率
要求：分别就以下不相关情况作出方案组合决策；
(1)投资总额不受限制；
(2)投资总额受限制，分别为300万元、600万元。

为了生产某产品，有A、B两种投资方案可供选择。投资总额为120 000元。
每年的现金流量如下表年次 A方案 B方案
要求：设该企业资金成本率为10%，计算A、B方案的净现值，判明应选择哪个方案。