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2017年英语专业四级听力真题 演讲

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Online Education

在线教导
Good morning, everybody.
大年夜家早上好。
In today's lecture, we will talk about online education.
明天的讲座,我们要谈一谈在线教导。
You know, in some parts of the world, it is not that easy for people to receive education.
大年夜家都知道,在有些处所,受教导依然不是件轻易的事。
And even in the United States where education is available, it might not be within reach.
即使在美国如许的教导大年夜国,受教导能够也有艰苦。
Thus, online courses provided by those world-famous universities can bring the best quality education to as many people as we could around the world, and for free.
是以,世界有名大年夜学供给的在线课程,便可认为世界上许很多多的人带来优良教导,并且是收费的。
First, let's talk a little bit about some of the components that go into online education.
起首,我们谈一下在线教导的几个特点。
The first component is that when you move away from the constraints of a physical classroom and design content for an online format, you can break away from, for example, the one-hour lecture format.
第一个特点就是在线教导打破了实体教室的限制。设计在线课程内容的时辰,教员可以抛开很多限制,比如一小时的课程时长。
You can break up the material, for example, into short, modular units of 8 to 12 minutes, and each of the short units introduces a coherent concept.
举个例子,你可以将讲课材料分红8到12分钟的小单位,每个单位简介一个完全的概念。
Students can deal with this material in different ways, depending on their backgrounds, their skills or their interests.
先生可以根据本身背景、技能和兴趣,以不合的方法进修材料。
So, for example, some students might benefit from a little bit of preparatory material that other students might already have.
比如,有些先生能够会从预备资估中学到器械,而这些材料其他同窗早就有了。
Other students might be interested in a particular topic that they want to pursue individually.
其他同窗能够会对他们本身爱好商量的详细话题感兴趣。
So this format allows students to break away from the one-size-fits-all model of education, and allows students to follow a much more personalized curriculum.
所以,这类情势将先生从“一刀切”式的教导中束缚出来,先生们得以进修特性化的课程。
Second and perhaps one of the biggest components of our online education is that when we need to have students who practice with the material in order to really understand it.
第二个,也是在线教导最大年夜的一个特点,就是我们须要让先生有材料演习,如许才能确保他们真正懂得了所学内容。
There's been a range of studies that demonstrate the importance of this.
很多研究显示了这一点的重要性。
A study in Science last year, for example, demonstrates that even simple retrieval practice, where students are just supposed to repeat what they've already learned, gives considerably improved results on various achievement tests.
比如,客岁《迷信》杂志的一项研究显示,就连只需肄业生复述所学内容的简单检索练习,都进步了很多成就测验中先生的成就。
So, we need to build in much more meaningful practice questions.
所以,我们须要编制更成心义的演习标题。
Now, fortunately, technology has helped us to provide the students with feedback on those questions.
荣幸的是,如今技巧进步了,我们可以就成绩向先生反应。
We can now grade a range of interesting types of homework online.
如今还可以给很多风趣的在线家庭作业打分。
The third component is what is called collaborative learning.
第三点是协作进修。
Students could collaborate in different online courses in a variety of ways.
先生可以以各类方法在不合的在线课程中协作。
First of all, there was a question and answer forum, where students could pose questions, and other students could answer those questions.
起首,在线课程会有一个问答服装论坛t.vhao.net,先生可以在服装论坛t.vhao.net上提成绩,其他先生答复。
And what is really amazing is that, because there were so many students, it means that even if a student posed a question at 3 o'clock in the morning, somewhere around the world there would be somebody who was awake and working on the same problem.
最奥妙的是,由于先生很多,即使有人凌晨三点提出成绩,世界上另外一个角落也会有还没睡的先生,一路处理这个成绩。
And he might answer that question.
能够他就可以答复那个成绩。
And so, in many of the online courses, the median response time for a question on the question and answer forum was 22 minutes.
是以,很多在线课程中,问答服装论坛t.vhao.net上成绩的照应时间多半在22分钟。
So in a word, if we wanted to offer top quality education to everyone around the world for free, what would that affect us?
总而言之,假设为全人类收费供给高质量教导,将有哪些影响?
Three things.
我认为有以下三点。
First, it would establish education as a fundamental human right, where anyone around the world with the ability and the motivation could get the skills they need.
起首,在线教导将教导作为根自己权,全球可以或许并且想要学技能的人都能学到所需技能。
Second, it would enable lifelong learning.
第二,在线教导使得毕生进修成为能够。
It's a shame that for so many of us, learning stops when we finish high school or when we finish college.
我们傍边很多人高中卒业或许大年夜学卒业以后就不再进修了,真是令人汗颜。
By making this amazing content available, we would be able to learn something new every time we wanted, whether it's just to expand our minds or it's to change our lives.
有了在线教导这个奥妙的器械,我们想学新器械便可以学到,可以坦荡视野,也能够改变人生。
And finally, this would make a wave of innovation possible, because amazing talent can be found everywhere.
最后,在线教导也鼓励了新一轮创新海潮,由于出色人才网job.vhao.net将到处可见。
To sum up today, we have talked about some features of online education and it's benefits.
明天的演讲,我们重要评论辩论了在线教导的很多特点和好处。
We are sure that online education will have a promising future.
在线教导必定前程光亮。
In the next lecture, we're going to learn how online education has changed people around the world.
下次讲座我们会讲到在线教导是若何改变众人生活的。

重点单词   检查全部解释    
benefit ['benifit]

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n. 好处,补助,保险金,义卖,义演
vt.

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expand [iks'pænd]

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v. 增长,详述,扩大,使 ... 收缩,
v

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understand [.ʌndə'stænd]

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vt. 懂得,懂,听说,得知,将 ... 懂得为,认为<

 
demonstrate ['demənstreit]

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vt. 示范,演示,证明
vi. 请愿

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available [ə'veiləbl]

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adj. 可用的,可取得的,有效的,有效的

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pursue [pə'sju:]

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v. 追捕,寻求,持续从事

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range [reindʒ]

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n. 范围,行列,射程,山脉,一系列
v. 排

 
curriculum [kə'rikjuləm]

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n. 课程,全部课程
curricula(双数

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concept ['kɔnsept]

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n. 概念,不雅念

 
particular [pə'tikjulə]

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adj. 特别的,特其他,特定的,挑剔的
n.

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