想要快速理解托福阅读的文章，考生需要学会把握文章句子和段落之间存在的各类逻辑关系。而理清这些逻辑关系比较好的方法就是通过文章中给出的各类信号词进行准确判断。下面启德考培小编就来汇总托福阅读文章中能够用来判断句子段落逻辑关系的5大类信号词。

　　1.托福阅读逻辑信号词：同类信息

　　There has been an upsurge of interest in chamber music. Likewise opera is receiving a boost from increased record sales.

　　“likewise”这一信号词显示了前面所提到的idea后面还要再一次出现。因此，阅读时见到这样的信号词无须放慢阅读速度。这样的信号词还包括：

　　and, furthermore, more, than, that, also, likewise, moreover, in addition, what is more, for instance, for example

　　2.托福阅读逻辑信号词：转折关系

　　I'd like to go but I'm too busy.

　　“but”前后是完全不同的信息描述，它向读者显示了作者的思路在这里有了转折。阅读时，碰到这样的信号词我们需放慢阅读速度，以准确获取作者真正想要说明的意思。这类信号词还有：

　　although, however, on the contrary, but, in spite of, otherwise, despite, nevertheless, yet

　　3.托福阅读逻辑信号词：因果关系

　　As a result of the pilots'strike, all flights have had to be cancelled.

　　All flights have had to be cancelled as a result of the pilots'strike.

　　所有航班被取消的原因是因为飞行员们的罢工;飞行员们的罢工导致了所有的航班不得不被取消。显示因果关系的信号词还有：

　　for, thus, because, for this reason, so, therefore, as, since, consequently

　　4.托福阅读逻辑信号词：论述顺序

　　Internet speeds communication between companies, among co-workers through video-conferences, and among other individuals. First, media companies use the Internet for online news, or to broadcast audio and video, including live radio and television programs, while individuals use the Internet for communication, entertainment, finding information, buying and selling goods and services. Second,the notion of distance disappears thanks to the Internet. People also enjoy instant messaging to exchange text messages or pictures in real time, with real-time video and sound. Finally, scientists and scholars use the Internet to perform research, distribute lecture notes or course materials to students, they communicate with colleagues, and can also publish papers and articles.

　　抓住了这样的信号词就把握住了作者叙述的顺序，也就分清了相对独立的论据。这样的信号词包括：

　　first, second, third, and so on, then, after, before, next, last, afterward, finally

　　5.托福阅读逻辑信号词：提示结论

　　In conclusion, I would like to say how much I have enjoyed myself today.

　　词组“in conclusion”前面所提到的一些信息将在这里被归纳总结。读到带有这样的信号词或短语的句子时，应格外留心注意，它们往往会向我们提示相关段落的核心信息。表示结论或总结的信号词和短语还有：

　　as a result, finally, therefore, accordingly, in short, thus, consequently, in conclusion, so, in brief, in a word

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