托福写作和托福口语两个单项的评分标准中都对表述的连贯和衔接有一定的要求，考官需要看到考生的作答是否遵循正常的逻辑发展，而连接词的使用不足就会让我们的逻辑发展看起来不够连贯。
ETS官网也给出了具体的备考建议：加上逻辑连接词(connecting words)会让文章读起来更加清晰易懂。今天，我们就为大家详细扩展一下ETS给出的六类连接词，建议每一位同学都收藏起来，反复加深印象。
reasons
1、Because
2、Since
3、Owe...to...
4、Thanks to
5、In view of
6、Accordingly
例句：
So thanks to hydroponics,the astronauts also have fresh air to breathe.(TPO50)
results
当想要表示“所以”的时候，最基本的表达是“so”“as a result”。不过除了这个以外，你还能用一下这些表达进行替换：
1、Hence
2、Thus
3、Consequently
4、Therefore
例句：
Some people may choose to turn off the television in order to avoid watching repetitive advertisements.Hence/Consequently/Therefore，the main goal of advertisements is not complete.
examples
1、For instance
2、Such as
3、Take...as an example
4、...is a case in point
例句：
The temperature at the upper timberline is probably more important in preventing tree growth than factors such as the amount of snowfall or the force of winds.
comparisons
1、In contrast
2、Instead of
3、Equally
4、Rather than
5、Conversely
例句：
To take an extreme example,farmlands dominated by a singlecrop are so unstable that one year of bad weather or the invasionof a single pest can destroy the entire crop.
In contrast,acomplex climax community,such as a temperate forest,will tolerate considerable damage from weather orpests.
a process or list
1、First/second/then;
2、At the same time
3、Before long
4、Nowadays
5、For one thing
例句：
For one thing , while some of the balls are carved with intricate patterns,many others have markings that are extremely simple,too simple to make the balls look like status symbols.Furthermore,we know that in Neolithic Britain,when someone died,particularly a high-ranking person,they were usually buried with their possessions.(TPO33)
conclusions
1、In conclusion/in summary
2、To sum up
3、In short
4、On the whole
在托福口语和托福写作中加入适当的过渡词/短语是非常有用的，因为它们能够极大增加表达的流畅性和整体性。但是，d大家在使用时也需要注意对应的语法和语义是否正确。另外，需要注意的是，不要过度使用，反而会让我们的表达变得非常生硬且形式化。
