Ⅱ 语言知识及应用 (共两节，满分35分)
第一节完形填空（共10小题；每小题2分，满分20分）
阅读下面短文，掌握其大意，然后从21～30各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。
I have experienced many different types of teachers and from each of them. I have drawn out characteristics to form the __21__ teacher. The person has no age or sex requirements __22__ this person must be pleasant to look at.
