Directions: In this section, you will hear 3 short passages. At 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 Answer Sheet 2 with a single line through the
centre.
Questions 26 to 28 are based on the passage you
have just heard.
A．To establish his laboratory. B．To have a vacation. C．To visit members of his family. D．To study deafness among the families.