2. 外语
  3. Digital textbooks are【D1】______ the way many students learn. All the Fairfax County Public Schools have begun using【D2】______ co

Digital textbooks are【D1】______ the way many students learn. All the Fairfax County Public Schools have begun using【D2】______ co

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问题     Digital textbooks are【D1】______ the way many students learn. All the Fairfax County Public Schools have begun using【D2】______ course material for their middle and high school students. This school year, the school’s【D3】______from hard cover to【D4】______textbooks for social studies in its middle and high schools. The switch came after【D5】______ books were used in 15 schools last year. " Our students come to us technologically ready to use【D6】______ from a variety of different places, " says Assistant Superintendent Peter Noonan. "The world is changing【D7】______. The online textbooks can change right along with the events that are happening. " There’s a【D8】______ financial benefit as well. "Usually it is between $50 and $70 to buy a textbook for each student, " Noonan says, "which adds up to【D9】______ $8 million for all of our students. We actually have【D10】______ all of the online textbooks for our students for just under $6 million. "
【D9】
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