争创文明卫生城市,用同样的方砖铺人行道,铺18平方米要用216块砖。如果铺24平方米,要用多少块方砖?(用比例解)
解:设要用x块方砖。
216∶18=x∶24
x=288
James Martin的实体分析导致企业的重组问题,它意味着
A.企业过程和企业机构改变
B.重新设计企业信息系统
C.重组数据库
D.重组企业模型
Beijing: The United States and North Korea had their first ________in four months here this afternoon as part of the ________negotiations on how to end North Korea’’s nuclear program, but diplomats played down prospects for________.James A. Kelly, assistant________, and Kim Yong II, North Korea’’s deputy foreign minister, met ________of formal discussions, ________on direct dialogue that began after a stormy meeting ________in which North Korea warned that it was moving quickly to ________nuclear arms.The Bush administration had insisted ________that it would only hold talks with North Korea ________because, it argued, only ________pressure would persuade North Korea to________. It got its way when North Korea dropped its insistence on ________and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ________,________,________and ________as well as the United States.Though Bush administration officials had not ________talking privately with the North Koreans during________, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ________by the American side.