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简答题简述道氏理论的圭要内容。

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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．

简答题简述技术分析的理论基础。

TASK 5Directions:The following is a letter of self-recommendation.AJier reading it,you should givebrief answers that followed the questions numberedfrom 56 to 60.You should wrice your answer(in no more than three words)on theAnswer Sheet correspondingly． Letter One Jan.25,2009 DEAr Mr.Gaan Li, From your advertisements we know that you are making transformers(变压器)in a variety of types.We are interested in your products.Would you please send us the details of theproducts If possible,please send us some pictures of the products． Looking forward to your early reply． Yours sincerely, Louis Smith Letter Two Feb.14,2009 Dear Mr.Louis Smith, It’s our pleasure to SUbmit the attached quotation(报价)for your review andconsideration.Here enclosed are some pictures of our latest types of transformers.Thisquotation package consists of the following: Section 1:Price list for transformers Section 2:Types of transformers Section 3:Technical specification In the price list you can see we are giving you the lowest prices and offer our best goods.We also think it better to Offer you a 5% discount on purchases of more than ten units. Please advise if you have additional questions． Yours sincerely, Guan Li How many transformers must Mr.Louis Smith buy to get a discount of 5%___________________________________________.ofthem．