學位論文庫，中文期刊庫，互聯網資源，共享資源庫，自建數據庫，

9000多萬篇學術期刊，5000多萬篇學位論文，超10億互聯網資源； 數據庫在非學術老牌查重軟件外的系統來說算是比較全的，能查重的范圍基本可以覆蓋。論文的通過最終要根據學校的結果來說，輔助前期的查重，后期還是要拿到學校的系統測一下會更有保證。

可以的 沒什么太大的問題！??！

你是用你學校查重系統查重的吧！這樣在學校查重后一次就不能查重第二次的

你可以網站上找專業的論文查重軟件查重，PaperRight論文查重軟件是一個專業的自主性查重軟件。而且查重的精準度比學術的還要高

In English writing, it is not advisable to repeat the same wording over and over unless it is a specific terminology. Well, one has to repeat many words simply because those serve a functional role in constructing the sentences.

I think the point is not to give an impression that the author possesses very limited vocabulary. It is particularly true for adjectives, adverbs and rhetorical expressions. Employing different ways of saying the same thing is considered a necessary writing techniques for any writer. May be it is high time for you to develop your diction through this exercise.