题目

第三节 完形填空(共20小题；每小题1.5分，满分30分) 阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。       It used to be our custom to take handmade baskets to friends on May Day．We would   21   baskets on a doorstep, knock on the door, and then run away as fast as our legs could   22   us．It was delightful to peer (窥视) around a bush and watch our friends open their   23   and pick up the colorful gift,   24   who had left it out for t下列疾病的病因不是由内分泌腺功能失常造成的是（　　）A．大脖子病B．侏儒症C．呆小症D．糖尿病