(三）原因状语从句
Because 、since、 as、now that
1. 我们的法律制度有意将法律与政治分开，正是因为它们如此紧密相连。
Our legal system was designed to set law apart from politics precisely because they are so closely tied
2. 然而，因为这些连接是通过努力和练习建立的，科学家们认为智力能根据大脑训练而拓展或波动。
However, becase these connections are made through effort and practice , scientists believe that intelligence can expand and fluctuate according to mental effort
3. 由于欲望和意志会被出现的与欲望不一致的思想所摧毁，艾伦总结道：“我们不会吸引我们想要的，而会吸引我们本身。”
Since desire and will are damaged by the presence of thoughts of that do not accord with desire , Allen concluded: ‘ We do not attract what we want , but what we are.’
4. 现在乌托邦式的空想已经过时，随着我们对我们所面临的一系列威胁有了更深的了解——从小行星撞击到肆虐的流感，再到气候变化。
Now utopia has grown unfashionable , as we have gained a deeper appreciation of the range of threats facing us , from asteroid strike to epidemic flu and to climate change
5. 既然你已经将一个话题发展为一个初步的论题，那么你就可以整合笔记并开始充实你已经拟好的任意提纲了。
Now that you have developed a topic into a tentative thesis , you can assemble your notes and begin to flesh out whatever outline you have made
（四）结果状语从句
such..that… 太…所以…
（such 后接名词或名词词组）
so…that… 太…所以…
（so后面接形容词或副词）
so that… 所以…
1. 事实上，无家可归者人数规模太大，所以地方政府可能都无法应对。
1. Indeed, homelessness has reached such proportions that local governments can’t possibly cope
2. 我们把这种出售媒介定义为自有媒介，它的访问量太巨大，所以其他机构会将其（商品）内容或电子商务引擎投放到那种环境中。
We define such sold media as owned media whose traffic is so strong that other orgnizations place their content or
e-commerce engines within that environment
3. 段落与段落之间应有过渡衔接，这样就不会有突兀的或者令人困惑的转换。
Transitions should connect one paragraph to the next so that there are no abrupt or confusing shifts
（五）目的状语从句
so that… 目的是…
in order that… 为了…
（So that 即可表示目的又可表示结果，表示目的的时候，从句中一般含有情态动词，表示结果的时候，从句中一般没有）
1. 为了便于修改，页边距和行距应留得大些，以便你可以轻松地添加单词、句子和修改的内容。
To make revising easier, leave wide margins and extra space between lines so that you can easily add words, sentences, and corrections.
2. 2010年12月，美国联邦贸易委员会（FTC）提议在网络浏览器上增加“禁止追踪（DNT）”选项，以便用户能告诉广告商他们不想被追踪。
In December 2010 America’s Federal Trade Commission (FTC) proposed adding a “do not track” (DNT) option to internet browsers, so that users could tell advertisers that they did not want to be followed.