第一部分 阅读理解(共两节，满分40分)
第一节(共15小题；每小题2分，满分30分)
阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。
A
Dear Reader，
I receive many letters from children and can’t answer them all—there wouldn’t be time enough in a day.That is why I am sending you this printed reply to your letter.I’ll try to answer some of the questions that are commonly asked.
