Which of the following statements are correct? A: The greater the modulus, the stiffer the material. B: The stiffer the material, the higher the resistance of the material to deformation. C: The higher the magnitude of elastic modulus, the higher the magnitude of the inter-atomic bonding forces in a material. D: The higher the magnitude of elastic modulus, the lower the magnitude of the intermolecular bonding forces in a material.

A ferromagnetic material, which is hard to magnetize and demagnetize, could be used as a computer memory material.

In a study of material in-use stock, the bottom-up approach requires a material flow analysis, while the top-down method needs to count the quantity of material products

In the Academic Writing part, Alex discussed with Ruoqi on academic skills, such as ______. A: plagiarism, paraphrasing and summarizing B: plagiarism, paraphrasing and synthesizing C: how to avoid plagiarism, paraphrase and summarize D: how to avoid plagiarism, paraphrase and synthesize

The following is the summary of the reading material with some words missing. Please fill in the blanks with words from the reading material.