第二部分阅读理解(共两节,满分50分)A AFor a long time, a boy wondered why his next-desk-pal was always the first in the class ,whereas he could only rank the 21st.At home, he asked his mom: “Am I more stupid than other kids? How can I always fall behind? I just cant come up with an answer. ” Mom was aware that her sons self- respect had been damaged by the ranking system, but she didnt know what to say to help.She tended to say that intelligence differs and that