托福写作中的逻辑联系词一直都是帮助考生提高自己成绩的至宝。我们在写英文复杂句的时候其实就是将两个或两个以上的句子用连接词连接起来的。下面百利天下小编就为考生分析托福写作中的逻辑关系词。
转折关系词
1， While; whereas; whilst：用在句首或是句中都是可以的，表示主句和从句的对比，也就是说这三个词均用来表示句中对比，是不能当成句首副词来用的。
Eg
This is based on the belief that identical twins share all the same genes whereas all the fraternal twins share only half the same genes.
While environmentalists are quick to blame the increased carbon dioxide emissions for the global warming, the truth is that nobody knows whether a similar warming-and the later cooling-occurred before the advent of temperature-related technology in the 1900s.
2， by/in contrast:用在句首，表示它之前的一个句子和它后面引导的句子之间的对比，也就是表示句间对比。
3， on the contrary：这个词考生们都很喜欢用，但是错误率很高。需要注意的是这个词和in contrast弄混了，但其实这个此更接近instead，…的意思。它后面的内容是否定前面的陈述的。
Eg：
It should be noted that not all school kids love to study. On the contrary, they love to explore the world around them, paying little attention to their academic work.
Contrary to all the experts’ expectation, the American economy took a nosedive.
让步关系词
1. Despite; In spite of; Notwithstanding: 后面跟名词或者代词。
Eg：
Despite considerable public popularity, many of JFK’s social and civil rights programs had made little progress in a Democrat-controlled but conservative Congress.
2. Nonetheless; Nevertheless: 后面直接跟完整的句子。
Eg：
Nevertheless, people have been harmed, hurt or even killed by them.
3. Even though:很多时候可以代替although，后面跟从句，表示对已经存在的状况进行让步。
4. Even if：后面跟从句，表示对没有发生的情况进行让步。
限定关系词
1. In terms of: 从。。。意义上来讲;后面跟名词或者名词短语，用在句首或者句中都可以。
Eg：
We all differ in terms of what we find funny, but we’re all the same in terms our interests to listen to amusing things.
These children are often spoiled, not in terms of love and attention because working parents do not have time for this, but in more material ways.
2. As for：后面可跟名词或者名词短语都可以，用在句首
3. When it comes to:后面跟名词或者名词短语，用在句首，有时候根据上下意思不同还可以再前面加上一个but
4. Regarding; concerning; with regard to; with respect to：关于。。。后面跟名词或者名词短语，用在句首或者句中都可以
类比关系词
Similarly:“类似地”一般情况下用在句首
Eg:
Similarly, students who have to cope with intense peer pressure may have a hard time concentrating on their academic subjects.
因果关系词
原因：
1. As; Since:后面跟从句而不能只跟一个名词
Eg：
Since we cannot experience everything all by ourselves, we also acquire knowledge by reading books, magazines and newspapers.
2. Due to ：后面只能跟从句而不能跟从句。
3. Owing to：同上
以上就是托福写作逻辑关系词的相关内容，希望通过以上案例考生能够在写作中多多运用，为写作高分打下坚实的基础!
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