The biological teacher of Ha San Middle School commented on the high school examination questions: The form of the test questions has changed slightly, and the writing requirements are high

The 8th is the second day of the college entrance examination, the biology examination is over, how difficult is the 2021 biology examination? What are the characteristics of the questions? Life Newspaper specially invited the biological teacher of Ha San Middle School to comment on the test questions.

Commenting on the famous teacher: Tian Yuchun, the leader of the biology preparation team of the third year of High School of Hasan Middle School

Harbin Municipal Scientific Research Backbone Teacher, Harbin Model Teacher, Nangang District Outstanding Class Teacher, Harbin Third Middle School Four Good Teacher, many times won the Education Bureau meritorious service awards; teaching experience of 18 years, for many years as a senior high school teaching work, guiding students to prepare for the exam experience.

The overall difficulty of the 2021 college entrance examination national volume B biology test questions is moderate, and the difficulty is slightly increased compared with last year. It is mainly reflected in the slight change in the type of test questions, which requires students to write a moderate increase in the amount of text. The test questions show a progressive examination of knowledge and ability, with multiple choice questions being relatively more basic and non-multiple choice questions having higher requirements for ability.

Most of the test materials come from teaching materials, experiments and life, and this kind of examination has played a good guiding role in secondary school teaching, guiding students to return to teaching materials, return to the classroom, focus on the core, and lay a solid foundation. Encourage students' spirit of inquiry and sense of innovation, cultivate students' subject literacy more comprehensively, and promote the healthy development of students.

1. Based on the teaching materials, the basic knowledge is examined

Multiple choice questions mainly examine the basic knowledge in the textbook, which requires students to memorize and understand the knowledge content, such as mitosis of cells, the role of free water and combined water in cells, the transmission of excitement between neurons, the transformation experiment of Streptococcus pneumoniae, etc.; the non-multiple choice questions appear in the definition of the examination, which continues the characteristics of the previous national volumes, while using the materials in the textbook as the background material for the examination questions, such as the experimental content of the mixed cultivation of large grasshoppers and double small nucleated grasshoppers, the examination of these contents is closely around the textbook. Students are required to have a solid memory and deep understanding of the relevant basic knowledge in the textbook, and remind students to take the textbook as the foundation and pay attention to the basics.

2. Closely follow the core literacy and attach importance to experimental ability

The emphasis on the examination of experimental ability is a major feature of this year's biology test questions. The multiple choice questions examine the high school biology basic experiments that the candidates personally participate in, and the test questions pay attention to details, guide the candidates to pay attention to classroom learning and pay attention to hands-on operation; in the non-multiple choice questions, there are infrequent experimental design questions, which require candidates to use scientific thinking methods to carry out reasoning through the design and analysis of the experimental process, and explore the laws of life activities under the guidance of life concepts.

Among the non-multiple choice questions, there are 2 questions related to the problem of experimental design, and this large-scale experimental design examination is rarely seen in the national roll biology college entrance examination in recent years, which may be an attempt to transition to the new college entrance examination.

3. The form of the questions has changed slightly, and the graphics have changed to tables

Compared with the previous college entrance examination questions, this year's biology questions did not involve types of questions such as graphs and curves, but instead had table questions. This makes the stem statement concise and concise, avoiding the interference caused by too many situation settings to the candidate. But this does not represent the propositional trend, because whether it is a curve or a table, it is an examination of the student's ability to obtain information, but the form of examination is different.

4. High requirements for writing, large amount of text

Due to the large number of experimental design questions in this year's college entrance examination, it naturally puts forward higher requirements for students' writing. On the one hand, the amount of writing is large, and on the other hand, it is necessary to standardize writing. There is an examination of genetic illustrations in non-multiple choice questions, which is a test for students' standardized writing, and students must write the ideas of experimental design clearly, and they must write genetic illustrations clearly and accurately, which is an examination of students' comprehensive ability. This kind of examination method reflects the function of educating people and selecting talents in the high examination questions.

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