急需英语演讲稿,关于计算机的,二分半钟的样子,急

Question

急需英语演讲稿,关于计算机的,二分半钟的样子,急

Answer 1

Advantages and Disadvantages of eLearning
There are many advantages to online and computer-based learning when compared to traditional face-to-face courses and lectures.There are a few disadvantages as well.
Advantages of online or computer-based learning
Class work can be scheduled around work and family
Reduces travel time and travel costs for off-campus students
Students may have the option to select learning materials that meets their level of knowledge and interest
Students can study anywhere they have access to a computer and Internet connection
Self-paced learning modules allow students to work at their own pace
Flexibility to join discussions in the bulletin board threaded discussion areas at any hour,or visit with classmates and instructors remotely in chat rooms
Instructors and students both report eLearning fosters more interaction among students and instructors than in large lecture courses
eLearning can accommodate different learning styles and facilitate learning through a variety of activities
Develops knowledge of the Internet and computers skills that will help learners throughout their lives and careers
Successfully completing online or computer-based courses builds self-knowledge and self-confidence and encourages students to take responsibility for their learning
Learners can test out of or skim over materials already mastered and concentrate efforts in mastering areas containing new information and/or skills
Disadvantages of online or computer-based learning
Learners with low motivation or bad study habits may fall behind
Without the routine structures of a traditional class,students may get lost or confused about course activities and deadlines
Students may feel isolated from the instructor and classmates
Instructor may not always be available when students are studying or need help
Slow Internet connections or older computers may make accessing course materials frustrating
Managing computer files and online learning software can sometimes seem complex for students with beginner-level computer skills
Hands-on or lab work is difficult to simulate in a virtual classroom