题目

From the very beginning of school we make books and reading a constant source of possible failure and public humiliation (丢脸). When children are little we make them read aloud, before the teacher and other children, so that we can be sure they “know” all the words they are reading. This means that when they don’t know a word, they are going to make a mistake, right in front of everyone. After having taught fifth-grade classes for four years, I decided to try at all costs to rid them of their fear and dislike of books, and to get them to read oftener and more adventurously. One为什么我们用屏不能承接虚像？因为虚像不是实际光线会聚而成的像因为虚像不是实际光线会聚而成的像．