йûм,Ӧȴȫض,,ѡʱӦȥѡõĹӦ? һѡӦʱ,Щ? 1 ķա 2 Ƶķա 3 ֵ֧ķա 4 ۺķա
ѡ˵õĹӦ̾ۺ۸һϵҪصı֤Ǿõľܹѧļǹѧͻеλ.ҪгкǿļʵƵۺ.
гϵĶļһ,ʵܴ,۸Ҳ.еðҵƭ. һõĹӦܼʱĽʺʹõܸۺı֤ĹӦ̺ģһܡ
һʵĹӦ̿ڲƷ۸ǵģ֮ľDzƷʱңңڣƷޱ֤˰Ʊݣۺõϣ־õľܹѧʹǺܳģ곤ʮ꣬ʱۺϽһϵе鷳š
ѡӦ̣ ԹӦ̵Ŀ˷һȾͼ۸ƷʡЭҪָ֣۸ռ40%Ʒռ30%ռ20%Эռ10%
ֳ죬ҪƷ˾ԡ˵"Ųһ",ܶ࣬ԵԼѡʱԼƷֳԹۿǷ룬ǷҪۺϸ