时间:2011-11-08 20:34来源:蓝天飞行翻译 作者:航空 点击:次
. The introduction should offer specific reasons for needing whatever the students are about to learn. This motivation should appeal to each student personally. The appeal may relate the learning to career advancement, financial gain, service to community groups, use at home, or some other attraction. In every instance, a specific application should be cited. .
In the past to present pattern of development, the subject matter is arranged chronologically. Such time relationships are most suitable when history is an important consideration, as in tracing the development of aircraft design. . Simple to complex development helps the instructor lead the student from simple facts or ideas to an understanding of involved concepts or procedures. In studying jet propulsion, the student might begin by considering the action involved in releasing air from a balloon and finish by taking part in a discussion of a complex gas turbine. . |