Ⅰ.语言知识及应用(共两节，满分45分)
第一节 完形填空(共15小题；每小题2分，满分30分)
阅读下面短文，掌握其大意，然后从1～15各题所给的A、B、C和D项中，选出最佳选项。
A father had a pair of twin sons.The two boys looked like each other.Judging (判断) from the __1__，the two boys were almost the same.But their __2__ were very different，or __3__ speaking，just opposite.One was extremely optimistic (乐观的)，while the other was extremely p
