W(xu)?q)W˼|~ԸW(xu)ҲaܶసݣѧϰʎŪע¹{
1ҪԷW(xu)ݷһǻPһֵַռ80%ǰռ20%ǰȫģֻqhőۣݾΨ⃔˾͡۲(zh)ֻҪصһЩԭRͿˡⲿݵѧϰҪԷΪԽ̅?
2˾͡ҪnlҸ(x)ص㣬͡ķҪȿļS\_õĽܻͣܶྫʵ?
3?999䲼ģԾкǿĿɿԣ⣬Ҫעߵ𡣪
4ⲿۻңͬѧҪһЩϰȥ⣬Ҳֻж⣬܌?BR>
ѡܵܳA.ǰδq֪(yng)账ʵɺݪB.ؾܾȡfijH?
C.]зP
D.]ط
AB
զĸxӦѡģʵ?BR>
ԜûзVؼЧʮLؼ(zh)T֮ǰʮһʮĹ涨䓪ʵɺݣ߾ܾȡ˵ij磬H˷(qun)ij⡣ABHCDЧTⴚԷյuȵġ늲ͨ⣬ʹǰѷґK܅⡣ɼһҪͨ(x)?
Ҫע⣬һǾЧһǾܳЧ벻ģ˲һЧЧһȳĸW(xu)TҲֻͨ(x)˽⡣δ̫Ϊ?BR>
qĿҪ(x)䷨nŪΪ⡣