(Intention: to examine the ability to multiply scores and flexibly use knowledge) Second, weigh repeatedly and choose carefully. (1 each question, ***5 each question) 1. B (question intention: to investigate the understanding of rectangular graphics) 2. C (the intention of the question: the application of the basic nature of investigation and comparison) 3. B (intention of the question: investigate the problem-solving method of fractional multiplication and division) 4. D (meaning: the significance of investigation to the score) is wrong "×")1. (×) (Title intention: To investigate the ability to understand and analyze the relationship among the side length, surface area and volume of a cube) 2. (×) (Topic intention: To examine the understanding and observation ability of all sides of a cuboid) 3. (√) (Topic Intention: Investigating the understanding and cognition of volume in real life) (×) (Intention: Investigating the understanding and spatial imagination of the changes after the cube is spliced) 5. (x) (intention: to investigate the understanding of surface area and volume) 3. Carefully scrutinize and judge accurately. (1 each question, ***5 each question) 1. √ (Topic intention: knowledge of six surface features of cuboid) 2 .× (Topic intention: knowledge of reciprocal) 3 .√ (Topic intention: knowledge of equal area deformation)