学位论文库，中文期刊库，互联网资源，共享资源库，自建数据库，

9000多万篇学术期刊，5000多万篇学位论文，超10亿互联网资源； 数据库在非知网老牌查重软件外的系统来说算是比较全的，能查重的范围基本可以覆盖。论文的通过最终要根据学校的结果来说，辅助前期的查重，后期还是要拿到学校的系统测一下会更有保证。

可以的 没什么太大的问题！！！

你是用你学校查重系统查重的吧！这样在学校查重后一次就不能查重第二次的

你可以网站上找专业的论文查重软件查重，PaperRight论文查重软件是一个专业的自主性查重软件。而且查重的精准度比知网的还要高

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.