A flower paper is a paper where the questions are disrupted.

There are two kinds of exam flower rolls, one is AB roll, which is the order of the questions is messed up, and the other is AB answer key, which is the same paper but written in a different order, the fourth and sixth grade exams should be the former.

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English four or six began as a widely popular English proficiency test on the campus of the East China University of Petroleum.In 1984, the Ministry of Education organized a seminar on English education at the China University of Petroleum, where English proficiency exams were being held, which attracted the attention of the participants. Since then, the Ministry of Education has begun to promote the English proficiency test within colleges and universities nationwide.

The first college English four-level test was held in 1986. In order to adapt to the new development situation of China's higher education, deepen the teaching reform, improve the quality of teaching, and meet the needs of the country for talent training in the new era, the Department of Higher Education of the Ministry of Education organized the formulation and started the pilot project of the Teaching Requirements for College English Courses (Trial) (hereinafter referred to as the Teaching Requirements) in some colleges and universities across the country at the beginning of 2004.

The Teaching Requirements stipulate that the teaching objectives of the university English program are: to cultivate students' comprehensive application of English, especially their listening and speaking skills, so that they can use English to effectively communicate information in oral and written form in their future work and social interactions.

Since the Teaching Requirements began to be piloted in some colleges and universities across the country, the majority of teachers have actively participated in and cared about this reform, and have made many useful attempts in the mode of teaching, means of teaching, and use of teaching materials.