下列哪种疾病外周血涂片不会出现幼稚细胞A．再生障碍性贫血 B．急性出血 C．淋巴瘤晚

一建筑工人不慎坠楼，腰剧痛，双下肢感觉、运动障碍，二便功能障碍。

经X线平片检查，诊断为胸腰段屈曲型压缩骨折合并脊髓损伤，为进一步明确骨折片向椎管内移位的情况，下列哪项检查是最有价值的（）。

A.MRI

B.CT

C.ECT

D.脊髓造影

E.X线断层摄影

Jack and Jill are the directors of J-J Sdn Bhd, a company which specialises in the manufacture and sale of perfumes and aromatic oils. The company is quite profi table and its products are in much demand.Recently, Snowyte, a member of the company, discovered the following:(a) Jack has set up a business in partnership with his brother, Tom. Their fi rm, J T Brothers, also deals in the manufacture and sale of perfumes and aromatic oils. Jack has been able to bring in substantial business to the fi rm. J-J Sdn Bhd has lost some of its business due to the competition from J T Brothers. (5 marks)(b) Last month, Jack and Jill bought a piece of land for J-J Sdn Bhd from Jenny, for RM 300,000. Snowyte complains that the members of the company were not notifi ed of the purchase. She has also learnt that Jenny is Jill’s sister-in-law. (5 marks)Snowyte wishes to know whether Jack and Jill have breached any of the provisions of the Companies Act 1965 in the above-mentioned situations and the consequences if such breach has in fact occurred.Required:Advise Snowyte.(Note: the mark allocation is shown against each situation) (10 marks)

国库券的发行一般采用私募投标方式进行，期限为1年或1年以内。（）

描述疾病流行强度的指标有

A．季节性、周期性、短期波动
B．流行、暴发、季节性、短期波动
C．散发、暴发、流行、大流行
D．季节性、周期性、长期趋势
E．暴发、流行、长期趋势

肠蛔虫堵塞的临床特点是

A．阵发性腹痛、腹胀明显、腹肌紧张明显

B．阵发性腹痛、腹胀不明显、腹肌紧张明显

C．阵发性腹痛、腹胀明显、腹肌紧张不明显

D．阵发性腹痛、腹胀和腹肌紧张均不明显