the end of each passage, you will hear some questions. both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C)and D). Then mark the corresponding letter on the Answer Sheet with a single line through the center Questions 11 to 14 are based on the passage you have just heard. 11. A)A businessman B)A distributor. C)A professor. D)A student 12. A)Distribution of goods and services. B)Factories C)Today's homework. D)Advertising 13. A)The movement of goods from their sources to their destination. B)The arrangement of products in the shelves C)The circulation of advertisements D) The manufacturing of goods 14.A)A guest speaker might arrive. B)Class might be cancelled C)There might be a short quiz. D)Homework might be collected Questions 15 to 17 are based on the passage you have just heard. 15. A)How to Test Infants. B)Parents and Childr C)Day Care for Babies. D)Choosing a Pediatrician. 16. A)A housekeeper. B)An adult stranger C)An infant. D)Teenage children.the end of each passage,you will hear some questions.Both the passage and the questions will be spoken only once.After you hear a question,you must choose the best answer from the four choices marked A),B),C) and D).Then mark the corresponding letter on the Answer Sheet with a single line through the center. Questions 11 to 14 are based on the passage you have just heard. 11.A)A businessman.B)A distributor.C)A professor.D)A student. 12.A)Distribution of goods and services. B)Factories. C)Today’s homework. D)Advertising. 13.A)The movement of goods from their sources to their destination. B)The arrangement of products in the shelves. C)The circulation of advertisements. D)The manufacturing of goods. 14.A)A guest speaker might arrive. B)Class might be cancelled. C)There might be a short quiz. D)Homework might be collected. Questions 15 to 17 are based on the passage you have just heard. 15.A)How to Test Infants.B)Parents and Children. C)Day Care for Babies.D)Choosing a Pediatrician. 16.A)A housekeeper. B)An adult stranger. C)An infant. D)Teenage children