1. 連接詞的定義和作用

   連接詞是用來連接單詞和單詞、短語和短語或句子和句子，表達某種邏輯關系的單詞，不能獨立作為句子的組成部分。從廣義上講，連接詞可以是單詞、句子和從句。從意義上說，連接詞可以表達不同的語義關系，如并排、承接、轉折、因果、選擇、假設、比較、妥協(xié)等。連接詞是文本中經常使用的過渡手段之一。適當使用連接詞可以使文章的邏輯更清晰、更連貫。

2. 表層次

first,firstly to begin with further in the first place

second,secondly to start with still furthermore

third,thirdly what is more last last but not least

also and then next besides

and equally important too moreover

besides in addtion finally

2. 表轉折

by contrast although though yet

at the same time but despitethe fact that even so

in contrast nevertheless even though for all that

notwithstanding on the contarary however in spite of

on the other hand otherwise instead still

regardless

3. 表因果

therfore consequently because of for the reason

thus hence due to owing to

so accordingly thanks to on this account

since as on that account in this way

for as a result as a consequence

4. 表讓步

still nevertheless concession granted naturally

in spite of all the same of course despite

even so after all

5. 表遞近

furthermore moreover likewise what is more

besides also not only...but also...

too in addtion

6. 表舉例

for example for instance for one thing that is

to illustrate as an illustration a case in point

7. 表解釋

as a matter of fact frankly speaking in this case namely

in other words

8. 表總結

in summary in a word thus as has been said

in brief in conclusion altogether in other words

to conclude in fact finally in simpler terms

indeed in short in particular that is

in other words of course on the whole to put it differently

namely in all therefore to summarize