Questions 1 to 5 are based on an interview. At the end of the interview, you will be given 10 seconds to answer each of the following 5 questions. Now listen to the interview. According to Edward, in deciding the location of a house, people should consider all the following EXCEPT
A. the type of life they enjoy.
B. the price of the house.
C. the distance between the house and the place of work.
D. the school their children can attend.
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在关系模式R(S,SN,D)和K(D,CN,NM)中，R的主码是S，K的主码是D，则D在R中称为______。
A. 候选码
B. 备用码
C. 超码
D. 外码
细菌性肺炎抗菌治疗抗菌药物一般用至（）
A. 体温正常后3～4天，肺部体征基本消失
B. 体温正常后4～5天，肺部体征基本消失
C. 体温正常后5～7天，肺部体征基本消失
D. 体温正常后7～9天，肺部体征基本消失
E. 体温正常后10～14天，肺部体征基本消失
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