2.Publishing company McGraw-Hill’s line of digital SmartBooks quizzes students after every chapter and stresses the material they need to review;teachers can use that data to better know their students.

　　3.Hewlett-Packard is testing touchscreen black boards in a model classroom in Taipei,which are connected with students’ individual computers,allowing them to copy notes and view multimedia(多媒体).

　　4.Some classrooms at the University of North Carolina feature rolling desks,which allow students to easily switch from listening to a teacher to organizing into small groups.

　　5.Instead of purchasing new tech,schools in Katy,Texas,ask kids to bring their own smartphones—so they can conduct research,answer quizzes via text and more.

　　6.In order to help kids understand teamwork and trust,the Kickstarter-funded Empathy Toy—already used in roughly 400 schools globally—requires them to cooperate on building blocks(积木) while they are blindfolded.

　　【语篇导读】本文是说明文。虽然现代科技在教育领域的使用像一把双刃剑,但是正确的使用能对学生产生促进作用。

　　28.The car races are organized 　. 

　　A.to challenge college students B.by middle-school students

　　C.for educational purposes D.at New York City Hall

　　答案:C

　　解析:细节理解题。根据第二段中的“they’re middle-school students attempting to learn about physics and technology”可知,学生设计这些赛车是出于学习的目的。

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