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论述题试分析支撑线和压力线起作用的原因，并对这一过程进行简要论述。

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计算题某公司处于股利零增长模型下，其每年支付的每股股利为8元，实际股票价格为65元，必要收益率为10%，股利支付率为100%，通过计算分析该公司股票价格是否被低估。

简答题简述道氏理论的圭要内容。

患者男，9岁，外伤1天，因上前牙冷热刺激痛就诊，查体：左上颌第一切牙冠方1/2缺损，已露髓，右上颌第一切牙左侧切角缺损约1/4牙冠，断面尖锐，未见露髓孔，冷刺激敏感。患儿左上颌第一切牙合理的处理方法是

A. 一次性根管治疗
B. 直接充填
C. 开髓拔髓后封药
D. 牙髓切断术
E. 根尖诱导成形术

TASK 3Directions:The following is a passage about how to make hamburgers.After reading it,youshould complete the information by filling in the blanks markedfrom 46 to 50(in no more thanthree words) in the table below．The long-anticipated Hong Kong Disneyland,the 11th Disney-themed Park in the world and the first in China,successfully opened to the public on September 12,2005 after six years of planning and construction.Disneyland is the world’s most famous themed amusement park andone of the most visited sites in the world.The park will feature four differently themed lands similarto those of other Disney parks:Main Street,USA;Adventure land;Fantasyland and Tomorrow land.It will also feature a daily parade and night fireworks.Hong Kong Disneyland will offer two typesof tickets． HK$295 per adult during the weekdays and HK$350 on weekends and hol idays;children’stickets(aged between 3 and 11)will be priced at HK$210 during weekdays and HK$250 on weekends and peak holidays;online booking or direct purchase at gate is available． How much should two adults and a child pay for thickets on SundayThey should pay______for tickets．