SCI写作高频词汇和常用句型

第一部分同义词替换

1.about （大约）一approximately

2.get —obtain

3.finish 一complete

4.change 一transform

5.method 一technique

6.buy 一purchase

7.ask 一inquire

8.begin、start 一commence

9.cheap 一inexpensive

10.obtainable 一avaible

e 一employ

12.have 一possess

13.get 一acquire

14.extra 一additional

15.help 一assistance

16.about （关于）一concerning

17.enlarge 一magnify

18.many 一numerous 19. best 一optimum 20. lively 一vigorous

第二部分连接词使用

1.并列递进：moreover, in addition, furthermore, besides, likewise, also, then, additionally

2.转折：not, yet, however, n evertheless, non etheless, mean while, on the other hand.

on the contrary, conversely, paradoxically, by contrast, in spite o，f rather than, instead of, unfortunately

3.解释：in other words, in fact, as a matter of fact, that is,

namely, in

simp ler

terms

4.原因：because, because of, as, since, owing to, due to, thanks to,

for this

reas

on

5.举例：for example, for instanee, as such, such as, take ...for example, to

illustrate, to n ame a

few

6.强调：surprisingly, interestingly,intriguingly, strikingly, unexpectedly, clearly,

obviously, apparen tly,i n fact, in deed, actually, as a matter of fact, un doubtedly

7.可能：presumably, probably, perhaps

8.让步：although, after all, in spite of..., despite, even if, even though,

though, admittedly, give n that

9.总结：overall, eventually, consequently, in summary, in a word, as a result,

together, collectively, thus, hen ce, con seque ntly, on the

whole, in

con clusi on, to sum up, in brief, to con clude, to summarize, in

short, briefly

10.结果：therefore, as a result, then, consequently, thus, hence, so, therefore,

accord in gly, con seque ntly, as con

seque nee

11.对比比较：likewise, similarly, in p arallel to, while,

whereas

第三部分常用句式

1.说明选题的重要性：X is the ma in / leadi ng / p rimary / major cause

of ..Xs are a

com mon / useful / critical part of …Xs are among the most //ccimmoaeid

discussed / well-k nown / well-docume nted / wides pread/com monly inv estigated types

of …X is recognized abeing / believed to be / widely considered to be the

most

imp orta nt …It is well known / gen erally acce pted / com mon kno wledge

that X is

is in creas in gly beco ming / set to become a vital factor in …Xs are un dergo ing a

revolutio n / gen erat ing con siderablei nterest in terms of …Xs are attract ing

con siderable / in creas ing / wides pread in

terest due to

2.概述前人做过的研究：Last century X was con sidered to be / viewed as / see n as

the most …I nitial / P relimi nary / The first studies of X con

sidered it to