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问题 单项选择题

患者进一步行MRI检查，并行手术治疗，术后病理提示为室管膜瘤。关于该病不正确的是

A．室管膜膜瘤起源于室管膜

B．位于第四脑室内肿瘤因易阻塞脑脊液循环，产生颅内高压症状较早

C．肿瘤增大累及小脑蚓部或半球时，可出现平衡障碍、步态不稳和共济失调等症状

D．当肿瘤压迫脑干或脑神经时，可出现相应的脑神经障碍

E．不会出现肿瘤细胞种植转移

答案

参考答案：E

问答题

Ali is a dealer in Persian rugs. As his business has been rather slow, he placed an advertisement in the Saturday edition of his local paper stating:‘Once in a lifetime opportunity to own a handmade Persian antique rug for only ￡1,500 – cash only. This is a serious offer – the rug will go to the first person who accepts it – offer valid for one day only – today Saturday.’When Bud saw the advert, he immediately posted a letter of acceptance of Ali’s offer in order to make sure he got the rug.Cil also saw the advert and after inspecting the rug offered Ali a cheque for ￡1,500, but he refused to accept the cheque and told her she could not have the rug.Later in the day, Das asked Ali if he would keep the offer open until he could get to his bank to arrange a loan. Ali agreed, but subsequently, when Ed offered to pay ￡2,000 in cash for the rug, Ali sold the rug to him.On Monday morning Bud’s letter arrived, and Das returned to complete his purchase of the rug.Required:In the context of the rules governing the creation of contracts, advise:

(c) whether Cil has any right of action against Ali; (2 marks)
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问答题 简答题

在GPRS网络内，定义了哪几种不同的业务？
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