Correct Answer: B

Rationale: Jorgen should go to section 400 in the library to learn more about the letters of the Greek alphabet and the meaning of the word 'beta.' Section 400 is dedicated to languages, making it the most suitable place to find information on alphabets. Choices A, C, and D are incorrect because Section 200 is about religion, Section 700 is about arts and recreation, and Section 900 is about history, geography, and biography, which are not relevant to Jorgen's search for information on the Greek alphabet.

Correct Answer: B

Rationale: The correct answer is B, Cobra. In the food chain diagram, cobras are often considered apex predators, meaning they are at the top of the food chain and do not have natural predators. Vultures (choice A), although scavengers, may face competition but not direct predators. Mongooses (choice C) are known for preying on snakes, including cobras, and aardvarks (choice D) are part of the food chain and have predators like lions and hyenas.

Correct Answer: B

Rationale: According to the passage, only the serving team can score in a volleyball game. After the ball is served, the serving team earns points by winning a rally. The receiving team aims to stop the serving team and win the rally to gain the serve. Therefore, the correct answer is the serving team. Choices A, C, and D are incorrect as the receiving team does not score points, both teams do not score, and there is indeed scoring in volleyball.

Correct Answer: B

Rationale: The correct answer is B: '200.' According to the Dewey Decimal System, religion falls under section 200. Traditional Judaism research aligns with religious studies, making section 200 the most suitable for finding relevant information. Choices A, C, and D do not directly relate to religious topics and are therefore less likely to contain information on traditional Judaism.

Correct Answer: A

Rationale: The author uses heading and subheadings to organize the passage. Each subheading focuses on either dairy (e.g., beverages, meals, snacks, dessert) or non-dairy options for obtaining more calcium from food. This organizational structure makes it easier for readers to identify and understand the different categories of tips provided within the text. Choices B, C, and D are incorrect because superscripts, diagrams, labels, and footnotes are not used as organizational features in the passage; instead, headings and subheadings play a key role in structuring the information.