雅思写作素材（新版）| Lecture 2 科技（适用口语Part3)
Part 1 必备素材—科技
远程教育、居家办公、电子设备、食品工业
1、尖端的，前言的
2、发展很快
3、科技的双面性
4、零零后，科技原住民 digital natives
50,60年 digital immigrants 科技移民
5、爱科技的人 ，精通的- technophobe厌恶
科技的概述性表达
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远程教育
好处 benefits
- reduce school costs （physical school-office /classroom / dining hall ……）
- less tuition fee- win-win
- Attend class as long as there is internet(方便了)
- learn at one's pace （improve learning efficiency）
坏处 drawbacks
- Can't build good learning atmosphere （no face-to-face discussions；no class activities）
- those who are not self-disciplined are distracted easily.
- they can't develop good learning habits.
- can't ensure their learning outcomes
居家办公
好处 benefits
- lower / reduce office costs
- Job - seekers have more job opportunities to choose from.（人在北京，可以找纽约的工作）
- Have more flexible working hours- achieve the life-work balance.
- lessen the reliance on different forms transport-reduce the effect environment
坏处 drawbacks
- can't build corporate culture
- can't build team spirit
- workers lack the sense of belonging（归属感）
Electronic devices （gadgets）
好处 benefits
- provide more entertainment choices — relieve pressure -ease one's mind
- Make life more convenient
eg
1）online shopping - a variety of goods - compare prices easily - read customer reviews（看客户评价）-make well-informed decisions （做合理的决定）
2）pay bills from the cellphone
3）book a car in advance
- Stay connected with family and friends （make phone calls；have video chatting
;text messages ）/ make new frends (social networking websites- meet people who share the same interest- enlarge social circle )
坏处 drawbacks
- Hijack people's minds
- suffer from cyber addiction（网瘾）- be addicted to video games / the virtual world
- become alienated
- cause eye strain
- lead to a sedentary lifestyle(久坐不动的生活方式)
electric books=e books
benefits 益处
- portable （thin and lightweight）
- store many books
- provide many search options
the benefits of printed / paper books
- make notes on the pages
- like to read with a book in books -enjoy turning the pages -enjoy the texture of pages
food industry
好处 benefits
- mechanization + the use of fertilizers -increase crop yields-tackle the problem of the food shortage-reduce hunger
- provide more food choices(移植)
不足 drawbacks
- undermine the nutritional value of food
- cause malnutrition(引起营养不均)
1、依赖
2、保护
3、破坏
devastate （严重）the environment
看到这个英语，需要想起2-3个表达，丰富作文的词汇
1 主语+ is /are (less / more) likely to do something (非常或者没那么) 可能做某事
eg: People are less likely to abandon practices that are economically sound (省钱的)and give them great pleasure.
2 主语 + is / are at the expense of something …… 是以某事为代价的
eg： The emphasis on individual in the public eye(公众人物) is at the expense of serious news
coverage.
