The fast development of technology has made many （A）_________in our daily life．For the students in a public high school in Philadelphia（费城），the change is really great．Their so-called “The School of the Future'’opened with the（B），_________of Microsoft Corp．The combination（结合）of the latest technology and teaching methods makes it the focus（焦点）in the world．
（C）It took the school District of Philadelphia $63 million to build this one of the most advanced high schools．It is free and has no entrance exams．All the 170 students were（D）picked by an open chance from 1,500 applicants（申请者）．95％of the students ale blacks and about 85％are from poor families．
In the school，the students still sit in classrooms，but they work on their laptops（手提电脑）． Instead of textbooks, their lessons depend mostly on information found on the Internet．Students can（E）learn at their own steps．They do their homework on computers and send it to the teachers for marking．（F）家长们可以检查孩子们的学习on the Net at home.
The School of Future is not out of reach．The CEO of the school district said．”This is how school of today can be and should be designed and developed to prepare students for life and work．’’
1．分别在A和B的空白处填入一个适当的词：
2．将划线部分C改写成：The school District of Philadelphia _________$63 million _________this one of the most advanced high schools．
3．写出可以替换划线部分D和E的同义词或近义词：
4．将划线部分F译成英语：
5．写出能说明本文主旨大意的中心词语：