题目

SectionＤ Directions: Read the passage carefully. Then answer the questions or complete the statements in the fewest possible words. Exceptional children are different in some significant ways from others of the same age. For these children to develop to their full adult potential, their education must be adapted to those differences. Although we focus on the needs of exceptional children, we find ourselves describing their environment as well. While the leading actor on the stage captures our attention, we are aware of the importance of the supporting players and the scenery of the play itse8．计算题：（1）（ $\frac{1}{3}$）-1-$\sqrt{16}$-$\root{3}{27}$               （2）（x-1）2=25．