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计算题：在列管换热器中，两流体进行换热。若已知管内冷流流量为7400kg/h，其入口温度为74℃，出口温度为95℃，比热为0.529Kcal/（kg℃）；壳程热流流量为14600kg/h，其入口温度为218℃，出口温度为120℃，比热为0.59Kcal/（kg℃），求该换热器的散热损失。

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单项选择题 B型题

患者女性，25岁，产后3个月出现呼吸困难、心悸、双下肢浮肿，体格检查发现心界向两侧扩大，心尖部可闻及粗糙的喷射性收缩期杂音，肝大（）

A.肥厚型心肌病

B.围生期心肌病

C.致心律失常型右室心肌病

D.特异性心肌病

E.不定型的心肌病
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问答题

Astride entered into a contract with Bild Ltd to construct a wall around the garden of a house she had just purchased. The wall was to be three metres high to block out a view of a rubbish tip. The wall was due to be finished in May and Astride entered into another contract with Chris to landscape the garden starting on 1 June.Bild Ltd finished the wall on 25 May. However when Astride came to examine it for the first time she found that it was only 2·50 metres high and that the rubbish tip was still visible from the top of her garden.On 1 June, Chris informed Astride that he was too busy to landscape her garden and that she would have to get someone else to do it. The only person available, however, will charge Astride ￡500 more than Chris had agreed for doing the work.Required:Analyse the scenario from the perspective of the law of contract, advising Astride:

(a) Whether she can require Bild Ltd to reconstruct the garden wall in order to make it the agreed height, and if not, what alternative action is available to her. (5 marks)
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