填空题

With the recent rapid advances in information technologies, (36) researchers at every level and in every (37) have developed new methods, tools, and (38) for instruction. As the Internet, e-mail and multimedia have already become parts of most college students lives nowadays; (39) these new information tech nologies to engineering and science instruction is a great (40) for teachers and researchers. Although the effectiveness and (41) of new information technologies on education are not yet well (42) and documented the promises and (43) they hold for improving education are exciting For example, (44) Students at home and in work places can have access to learning material at any time. (45) . Students can work on learning materials at their own pace and discuss them with other people when they have questions. In other words, (46)