怎样在一个月内提高英语四六级写作水平？

表示转折关系

but, however, while, though, or, otherwise,on the contrary, on the other hand, in contrast, despite, in spite of, eventhough, except for, instead, of course, after all,

表示并列关系

or, and, also, too, not only…but also, as

well as, both…and, either…or, neither…nor

表示因果关系

because, because of, since, now that, as,

thanks to…, due to…, therefore, as a result of, otherwise, so…that, such…that

表示条件关系

as so long as, on condition that, if,unless

表示让步关系

though, although, as, even if, even though,

whether…or…, however, whoever, whatever, whichever, wherever, whenever, nomatter how who, what, which, where, when, whom

表示举例

for example, for instance, such as…, take…forexample

表示比较

be similar to, similarly, the same as, in

contrast, compared with to…just like, just as,

表示目的for this reason, for this purpose, so that, in order to, so asto,

表示强调

in deed, in fact, surely, certainly, nodoubt, without any doubt, truly, obviously, above all,

表示概括归纳

in a word, in short, in brief, on thewhole, generally speaking, in my opinion, as far as I know, As we all know, ashas been stated, as I have shown, finally, at last, in summary, inconclusion,