8. ____________ adjust it to the actual sea­level pressure before the plane 9. ____________.

　　correct it in flight according to new information.

　　/

　　Requirements within 10. ____________ within 15 feet over water

　　(4)(12 min.)

　　(师大附中2012届高三月考)

　　What is e­learning? E­learning is essentially the computer and network­enabled transfer of skills and knowledge, whose content is delivered via the Internet, audio or video tape, satellite TV, and CD­ROM.

　　E­learning dates back to the early 1960s when Stanford University psychology professors Patrick Suppes experimented with using computers to teach math. As early as 1997 William D. Graziadei published an article which described developing an overall strategy for technology­based course development and management for an educational system. Today people are using many technologies in e­learning, blogs and virtual classrooms included.

　　There are different types of e­learning that are available. Some educational experts suggest that different types or forms of e­learning can be considered as a continuum, from no e­learning, i．e. no use of computers or the Internet for teaching and learning, through classroom aids, such as making classroom lecture Powerpoint slides available to students and through a course website, to laptop programs, where students are required to bring laptops to class and use them as part of a face­to­face class, to mixed learning, where classroom time is reduced but not eliminated, with more time devoted to online learning, to fully online learning, which is a form of distance education.

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