250×（1-15），
=250×45，
=200（元）；
答：现在买这套西服要200元．
Classical novels often have ________ which add interest, tension, or deeper meaning to the text; mist is one in Great Expectations.
A．lotus
B．privilege
C．syllables
D．symbols
检验检疫机构对进口食品按食品( )进行分类管理。
A．质量等级B．安全等级C．包装等级D．危险性等级
