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问题 单项选择题

骨髓和外周血中分叶核粒细胞的NAP积分在下列哪种疾病是常呈明显降低（）

A.严重化脓性细菌感染

B.淋巴瘤

C.急性淋巴细胞性白血病

D.CML

E.再生障碍性贫血

答案

参考答案：D

选择题

细菌、真菌在生态系统中有着独特的作用，这是因为细菌、真菌能[ ]

A．防治疾病

B．分解有机物

C．合成有机物

D．使动植物和人生病

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问答题

Hai is the general director of a company that manages bookings for a traditional dancing act that performs throughout Vietnam. He manages contracts with customers, as well as the administration arrangements for the act’s appearances, including hotels and travel.Hai concluded a contract with a concert organiser in Ho Chi Minh City. The contract specified the fee to be paid for the dancing act to appear, and a fixed sum to cover accommodation and travel from Hanoi. Three weeks before the concert in Ho Chi Minh City, Hai decided to organise flights for the performers but discovered that due to a fuel crisis the fares for the flights would be 60% more expensive than originally estimated. Hai decided to withdraw from the contract as he did not wish to incur a loss.Hai concluded a similar contract with a concert organiser in Da Nang. On the morning of the day on which the concert was planned to take place, the theatre was seriously damaged by fire, causing the cancellation of the concert by the organiser. The dancing act had already travelled to Da Nang and had paid for all travel and accommodation necessary for its appearance. Hai decided to invoice the organiser for the full fee and expenses incurred.Required:

(a) Discuss the potential liability of Hai’s company in respect of its withdrawal of the dancing act from the appearance in Ho Chi Minh City. (5 marks)
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