2、inevitable。。不可避免。。
3、should/would/could/may/might；为什么要用这个5个词？首先，语气比较委婉，不会很肯定，显的谦虚；其次，可以不考虑动词的形式；所以这五个词被称为最贱的词。。
4、physically beneficial身体健康；副词+形容词的表达方式，比较好看，接下来也会有举例；
5、worldwide/globly/internationally famous 举世闻名
6、科技类作文；科技发展。。outline
FOR：
Convenient&efficient 方便、高效
Enrich lifestyle 丰富生活
Environmentlly friendly（副词修饰形容词） 绿色环保
AGAINST：
Physically harmful/detrimental 危害健康
Negative impact on the youth 危害青少年
Insecurity of information 信息不安全
7、开头方法一：
Background
Con troversy (2 different/opposite ideas)
As/Being a controversial issue，。。。。。作为有争议的问题。。。。
Now days， the issue on。。。is highly debatable， and ideas vary from person to person。不同的人有不同的观点。（不要用different people 。。。。）
Some would claim 。。。。，while some others may suggest。。。一些人认为。。另一些人认为。。
Some would claim。。。，while the idea。。。is still held by some others。Idea倒装，句子更好看。不能用some。。the other。。这样只有两种可能性，太绝对。。
8、5个常用单词的替代
F Think → claim / suggest / believe / advocate / maintain / suppose
F Good → beneficial / profitable / helpful / sound / decent / positive
F Bad → harmful / detrimental / hazardous / negative
F Advantage → merit / virtue / benefit / profit / pro
F Disadvantage → demerit / drawback / flaw / shortcoming / con / cost
9、few 0-1 几乎没有
A few 一些，不多 <5
Several 若干 <10
10、赞成某个观点。。
As for me，I side with the fomer/latter
中立观点。。
As far as I am concerned， I believe both views have their own merits and con coexit
11、like a double-edged sword 双刃剑
12、。。。。can be neither absolutely perfect nor purely harmful
13、末段（总结）
All in all/to conclude/in conclusion/in general/ to sum up
F When all the above-mentioned factors are taken into consideration, a conclusion could be drawn that … (主要用来凑字数)
14、On one hand，。。。。contribute greatly to。。。
On the other hand/On the contrary/
15、in contrast，the demerits of。。。。can not be ignored.
16、To begin with/firstly/first and foremost/首先
Besides/in a addition/moreover/其次
Thirdly/furthermore/last but not least/最后
17、on-line community 在线社区。。用来表达校内等
19、alters=change
20、long time exposure before screen 久坐电脑前
21、nearsightedness近视眼
22、lead a sedentary life 过着宅的生活
23、curious,immature and naïve 很傻很天真
24、be indulged in 沉迷
25、pornography and violence 很黄很暴力
26、手机的优缺点
FOR：
Convenient & efficient
Enrich lifestyle
AGAINST:
Physically detrimental
Negative impact on the youth
Insecurity of information
科技类优缺点主要就是那么几点。�？梢蕴住�。
27、inadequate face to face communication 缺乏交流
28、better atmosphere 更好的氛围
29、飞机汽车类优缺点
FOR：
C&C
EL
Boost related industry 推动相关产业
AGAINST：
Deplete fuel resources worldwide 耗尽石油资源
Air pollution 空气污染
Help the spread of epidemics传播传染�。ǚ苫�
Traffic jam/accident 交通拥挤/事故（汽车）
30、consume 消耗
Deplete 耗尽
Use up 用光。。比较口语
31、 globe village 地球村
32、 It is air traveling that makes the world a ‘global village’.倒装
33、Overseas traveling widens horizon and visualizes what is learnt in books.扩大视野
34、Sweeten your life.甜蜜你的生活！ 85°C
35、Besides, overseas shopping enables one to buy fashionable dresses and jewelries at a lower price.购物。。
36、tourism/tourist industry 旅游业
37、It is estimated that。。据估计。。
38、annually每年。。不是yearly。。
39、pose。。。threat to。。对。。构成威胁
40、tigger 诱发
41、conflict 冲突
42、A result in B 因A果B
C result from D 因D果C
43、CO2 carben(C)di(2)oxide(O)
SO2 sulfar(S)…..
44、one 的复数 ones
Everyone的复数ALL
45、A of B of C 核心为A
46、介词 with/like/because of +名词（组）
连词 as/because +句子
47、作文重点，其实就是不能重复；不要用一些恶俗的词。。people等；少用第一和第二人称；多变幻句式；少用主动句；注意符号；