因：because, because of, for, as, since, in that, on account of, with果：so, so
that, therefore, thereby, as a result, hence, thus, consequently,
accordingly
2.对比转折关系
对比：while, whereas, on the other hand 转折：but, although, despite, in spite of,
nevertheless, however
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为了提升GRE阅读速度，考生需要明确GRE阅读常见的四大逻辑关系：
1.因果关系
因：because, because of, for, as, since, in that, on account of, with果：so, so that, therefore, thereby, as a result, hence, thus, consequently, accordingly
2.对比转折关系
对比：while, whereas, on the other hand 转折：but, although, despite, in spite of, nevertheless, however
3.比较关系
A.同级比较：as…as
B.比较级：more…than, -er than, less…than
C.变化：change, alter, vary, modify, revise, increase, decrease, enhance, diminish, develop, progress, advance, improve, retreat, degenerate, continue, remain
D.差异：different, distinguish, separate, same, similar, comparable, compare…to
E.超越：surpass, exceed, excel, over
F.最高级
4. 否定关系