Подчеркните ing- form, определите ее функцию в предложениях. these staff members must be able to not only understand the con tent area, but also be highly trained in the use of the computer and internet. online education is increasing. computer-based training (cbt) services are where a student learns by executing special training programs on a computer relating to their occupation. cbt is especially effective for training people to use computer applications because the cbt program can be integrated with the applications so that students can practice using the application as they learn. historically, cbts growth has been hampered by the enormous resources required: human resources to create a cbt program, and hardware resources needed to run it. however, the increase in pc computing power, and especially the growing prevalence of computers equipped with cdroms, is making cbt a more viable option for corporations and individuals alike. many pc applications now come with some modest form of cbt, often called a tutorial. web-based training (wbt) is a type of training that is similar to cbt; however, it is delivered over the internet using a web browser. web-based training frequently includes interactive methods, such as bulletin boards, chat rooms, instant messaging, videoconferencing, and discussion threads. wbt is usually a – self-paced learning medium though some systems allow for online testing and evaluation at specific times. pedagogical elements pedagogical elements are an attempt to define structures or units of educational material. for example, this could be a lesson, an assignment, a multiple choice question, a quiz, a discussion group or a case study. these units should be format independent, so although it may be implemented in any of the following methods, pedagogical structures would not include a textbook, a web page, a video conference. when beginning to create e-learning content, the pedagogical approaches need to be evaluated. simple pedagogical approaches make it easy to create content, but lack flexibility, richness and downstream functionality.