Questions 16 to 18 are based on the passage you have just heard.

Directions:In this section, you will hear three passages. At the end of each passage, you will hear three or four 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 Answer Sheet 1 with a single line through the centre.
    16.
  • A They have a stronger sense of social responsibility.
  • B They are more likely to succeed in the humanities.
  • C They are more likely to become engineers.
  • D They have greater potential to be leaders.
    17.
  • A Praise girls who like to speak up frequently.
  • B Encourage girls to solve problems on their own.
  • C Insist that boys and girls work together more.
  • D Respond more positively to boys' comments.
    18.
  • A Offer personalized teaching materials.
  • B Provide a variety of optional courses.
  • C Place great emphasis on test scores.
  • D Pay extra attention to top students.